diff --git a/pyproject.toml b/pyproject.toml
index 34348aac..86f29a47 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -70,7 +70,8 @@ dev = [
   "sphinx_rtd_theme>=0.5.1",
   "sphinx-toolbox==3.7.0",
   "jupyter-book>=1,<2",
-  "nbsphinx"
+  "nbsphinx",
+  "pyinstrument",
 ]
 agno = ["agno>=2.2.1", "sqlalchemy>=2.0.40"]
 google = ["google-genai>=1.8.0"]
diff --git a/scripts/profile_tool_call.py b/scripts/profile_tool_call.py
new file mode 100644
index 00000000..e0e69981
--- /dev/null
+++ b/scripts/profile_tool_call.py
@@ -0,0 +1,53 @@
+import cProfile
+from pathlib import Path
+from typing import Literal
+
+from sensai.util import logging
+from sensai.util.logging import LogTime
+from sensai.util.profiling import profiled
+
+from serena.agent import SerenaAgent
+from serena.config.serena_config import SerenaConfig
+from serena.tools import FindSymbolTool
+
+log = logging.getLogger(__name__)
+
+
+if __name__ == "__main__":
+    logging.configure()
+
+    # The profiler to use:
+    # Use pyinstrument for hierarchical profiling output
+    # Use cProfile to determine which functions take the most time overall (and use snakeviz to visualize)
+    profiler: Literal["pyinstrument", "cprofile"] = "cprofile"
+
+    project_path = Path(__file__).parent.parent  # Serena root
+
+    serena_config = SerenaConfig.from_config_file()
+    serena_config.log_level = logging.INFO
+    serena_config.jetbrains = False
+    serena_config.gui_log_window_enabled = False
+    serena_config.web_dashboard = False
+
+    agent = SerenaAgent(str(project_path), serena_config=serena_config)
+
+    # wait for language server to be ready
+    agent.execute_task(lambda: log.info("Language server is ready."))
+
+    def tool_call():
+        """This is the function we want to profile."""
+        # NOTE: We use apply (not apply_ex) to run the tool call directly on the main thread
+        with LogTime("Tool call"):
+            result = agent.get_tool(FindSymbolTool).apply(name_path="DQN")
+        log.info("Tool result:\n%s", result)
+
+    if profiler == "pyinstrument":
+
+        @profiled(log_to_file=True)
+        def profiled_tool_call():
+            tool_call()
+
+        profiled_tool_call()
+
+    elif profiler == "cprofile":
+        cProfile.run("tool_call()", "tool_call.pstat")
diff --git a/src/serena/cli.py b/src/serena/cli.py
index fb78cd3d..9fa88c9c 100644
--- a/src/serena/cli.py
+++ b/src/serena/cli.py
@@ -478,8 +478,7 @@ class ProjectCommands(AutoRegisteringGroup):
                 files_failed = []
                 for i, f in enumerate(tqdm(files, desc="Indexing")):
                     try:
-                        ls.request_document_symbols(f, include_body=False)
-                        ls.request_document_symbols(f, include_body=True)
+                        ls.request_document_symbols(f)
                     except Exception as e:
                         log.error(f"Failed to index {f}, continuing.")
                         collected_exceptions.append(e)
@@ -487,7 +486,7 @@ class ProjectCommands(AutoRegisteringGroup):
                     if (i + 1) % 10 == 0:
                         ls.save_cache()
                 ls.save_cache()
-                click.echo(f"Symbols saved to {ls.cache_path}")
+                click.echo(f"Symbols saved to {ls.cache_dir}")
 
             if len(files_failed) > 0:
                 os.makedirs(os.path.dirname(log_file), exist_ok=True)
@@ -538,14 +537,14 @@ class ProjectCommands(AutoRegisteringGroup):
         try:
             for ls in ls_mgr.iter_language_servers():
                 click.echo(f"Indexing for language {ls.language.value} …")
-                symbols, _ = ls.request_document_symbols(file, include_body=False)
-                ls.request_document_symbols(file, include_body=True)
+                document_symbols = ls.request_document_symbols(file)
+                symbols, _ = document_symbols.get_all_symbols_and_roots()
                 if verbose:
                     click.echo(f"Symbols in file '{file}':")
                     for symbol in symbols:
                         click.echo(f"  - {symbol['name']} at line {symbol['selectionRange']['start']['line']} of kind {symbol['kind']}")
                 ls.save_cache()
-                click.echo(f"Successfully indexed file '{file}', {len(symbols)} symbols saved to {ls.cache_path}.")
+                click.echo(f"Successfully indexed file '{file}', {len(symbols)} symbols saved to cache in {ls.cache_dir}.")
         finally:
             ls_mgr.stop_all()
 
diff --git a/src/serena/symbol.py b/src/serena/symbol.py
index 589c0d20..e3753041 100644
--- a/src/serena/symbol.py
+++ b/src/serena/symbol.py
@@ -491,7 +491,6 @@ class LanguageServerSymbolRetriever:
     def find_by_name(
         self,
         name_path: str,
-        include_body: bool = False,
         include_kinds: Sequence[SymbolKind] | None = None,
         exclude_kinds: Sequence[SymbolKind] | None = None,
         substring_matching: bool = False,
@@ -504,7 +503,7 @@ class LanguageServerSymbolRetriever:
         """
         symbols: list[LanguageServerSymbol] = []
         for lang_server in self._ls_manager.iter_language_servers():
-            symbol_roots = lang_server.request_full_symbol_tree(within_relative_path=within_relative_path, include_body=include_body)
+            symbol_roots = lang_server.request_full_symbol_tree(within_relative_path=within_relative_path)
             for root in symbol_roots:
                 symbols.extend(
                     LanguageServerSymbol(root).find(
@@ -513,18 +512,12 @@ class LanguageServerSymbolRetriever:
                 )
         return symbols
 
-    def get_document_symbols(self, relative_path: str) -> list[LanguageServerSymbol]:
-        lang_server = self.get_language_server(relative_path)
-        symbol_dicts, _roots = lang_server.request_document_symbols(relative_path, include_body=False)
-        symbols = [LanguageServerSymbol(s) for s in symbol_dicts]
-        return symbols
-
     def find_by_location(self, location: LanguageServerSymbolLocation) -> LanguageServerSymbol | None:
         if location.relative_path is None:
             return None
         lang_server = self.get_language_server(location.relative_path)
-        symbol_dicts, _roots = lang_server.request_document_symbols(location.relative_path, include_body=False)
-        for symbol_dict in symbol_dicts:
+        document_symbols = lang_server.request_document_symbols(location.relative_path)
+        for symbol_dict in document_symbols.iter_symbols():
             symbol = LanguageServerSymbol(symbol_dict)
             if symbol.location == location:
                 return symbol
diff --git a/src/serena/tools/symbol_tools.py b/src/serena/tools/symbol_tools.py
index f0ce46f9..62a4fd9e 100644
--- a/src/serena/tools/symbol_tools.py
+++ b/src/serena/tools/symbol_tools.py
@@ -139,7 +139,6 @@ class FindSymbolTool(Tool, ToolMarkerSymbolicRead):
         symbol_retriever = self.create_language_server_symbol_retriever()
         symbols = symbol_retriever.find_by_name(
             name_path_pattern,
-            include_body=include_body,
             include_kinds=parsed_include_kinds,
             exclude_kinds=parsed_exclude_kinds,
             substring_matching=substring_matching,
diff --git a/src/solidlsp/language_servers/al_language_server.py b/src/solidlsp/language_servers/al_language_server.py
index 3745b223..2bc1b1ad 100644
--- a/src/solidlsp/language_servers/al_language_server.py
+++ b/src/solidlsp/language_servers/al_language_server.py
@@ -680,7 +680,7 @@ class ALLanguageServer(SolidLanguageServer):
         return super().is_ignored_dirname(dirname) or dirname in al_ignore_dirs
 
     @override
-    def request_full_symbol_tree(self, within_relative_path: str | None = None, include_body: bool = False) -> list[dict]:
+    def request_full_symbol_tree(self, within_relative_path: str | None = None) -> list[dict]:
         """
         Override to handle AL's requirement of opening files before requesting symbols.
 
@@ -713,7 +713,7 @@ class ALLanguageServer(SolidLanguageServer):
 
             if os.path.isfile(within_abs_path):
                 # Single file case - use parent class implementation
-                _, root_nodes = self.request_document_symbols(within_relative_path, include_body=include_body)
+                root_nodes = self.request_document_symbols(within_relative_path).root_symbols
                 return root_nodes
 
             # Directory case - scan within this directory
@@ -755,7 +755,7 @@ class ALLanguageServer(SolidLanguageServer):
             try:
                 # Use our overridden request_document_symbols which handles opening
                 self.logger.log(f"AL: Getting symbols for {relative_path}", logging.DEBUG)
-                all_syms, root_syms = self.request_document_symbols(relative_path, include_body=include_body)
+                all_syms, root_syms = self.request_document_symbols(relative_path).get_all_symbols_and_roots()
 
                 if root_syms:
                     # Create a file-level symbol containing the document symbols
diff --git a/src/solidlsp/language_servers/bash_language_server.py b/src/solidlsp/language_servers/bash_language_server.py
index d8f780e2..f7dd1d5e 100644
--- a/src/solidlsp/language_servers/bash_language_server.py
+++ b/src/solidlsp/language_servers/bash_language_server.py
@@ -9,9 +9,8 @@ import pathlib
 import shutil
 import threading
 
-from solidlsp import ls_types
 from solidlsp.language_servers.common import RuntimeDependency, RuntimeDependencyCollection
-from solidlsp.ls import SolidLanguageServer
+from solidlsp.ls import DocumentSymbols, LSPFileBuffer, SolidLanguageServer
 from solidlsp.ls_config import LanguageServerConfig
 from solidlsp.ls_logger import LanguageServerLogger
 from solidlsp.lsp_protocol_handler.lsp_types import InitializeParams
@@ -194,37 +193,24 @@ class BashLanguageServer(SolidLanguageServer):
         else:
             self.logger.log("Bash server initialization complete", logging.INFO)
 
-    def request_document_symbols(
-        self, relative_file_path: str, include_body: bool = False
-    ) -> tuple[list[ls_types.UnifiedSymbolInformation], list[ls_types.UnifiedSymbolInformation]]:
-        """
-        Request document symbols from bash-language-server via LSP.
+    def request_document_symbols(self, relative_file_path: str, file_buffer: LSPFileBuffer | None = None) -> DocumentSymbols:
+        # Uses the standard LSP documentSymbol request which provides reliable function detection
+        # for all bash function syntaxes including:
+        # - function name() { ... } (with function keyword)
+        # - name() { ... } (traditional syntax)
+        # - Functions with various indentation levels
+        # - Functions with comments before/after/inside
 
-        Uses the standard LSP documentSymbol request which provides reliable function detection
-        for all bash function syntaxes including:
-        - function name() { ... } (with function keyword)
-        - name() { ... } (traditional syntax)
-        - Functions with various indentation levels
-        - Functions with comments before/after/inside
-
-        Args:
-            relative_file_path: Path to the bash file relative to repository root
-            include_body: Whether to include function bodies in symbol information
-
-        Returns:
-            Tuple of (all_symbols, root_symbols) detected by the LSP server
-
-        """
         self.logger.log(f"Requesting document symbols via LSP for {relative_file_path}", logging.DEBUG)
 
         # Use the standard LSP approach - bash-language-server handles all function syntaxes correctly
-        all_symbols, root_symbols = super().request_document_symbols(relative_file_path, include_body)
+        document_symbols = super().request_document_symbols(relative_file_path, file_buffer=file_buffer)
 
         # Log detection results for debugging
-        functions = [s for s in all_symbols if s.get("kind") == 12]
+        functions = [s for s in document_symbols.iter_symbols() if s.get("kind") == 12]
         self.logger.log(
             f"LSP function detection for {relative_file_path}: Found {len(functions)} functions",
             logging.INFO,
         )
 
-        return all_symbols, root_symbols
+        return document_symbols
diff --git a/src/solidlsp/language_servers/eclipse_jdtls.py b/src/solidlsp/language_servers/eclipse_jdtls.py
index 8ade5b70..c87f97f4 100644
--- a/src/solidlsp/language_servers/eclipse_jdtls.py
+++ b/src/solidlsp/language_servers/eclipse_jdtls.py
@@ -789,8 +789,8 @@ class EclipseJDTLS(SolidLanguageServer):
         # TODO: Add comments about why we wait here, and how this can be optimized
         self.service_ready_event.wait()
 
-    def _request_document_symbols(self, relative_file_path: str, include_body: bool = False) -> list[GenericDocumentSymbol]:
-        result = super()._request_document_symbols(relative_file_path, include_body)
+    def _request_document_symbols(self, relative_file_path: str) -> list[GenericDocumentSymbol]:
+        result = super()._request_document_symbols(relative_file_path)
 
         # JDTLS sometimes returns symbol names with type information to handle overloads,
         # e.g. "myMethod(int) <T>", but we want overloads to be handled via overload_idx,
diff --git a/src/solidlsp/language_servers/fortran_language_server.py b/src/solidlsp/language_servers/fortran_language_server.py
index a77135a6..782df7b3 100644
--- a/src/solidlsp/language_servers/fortran_language_server.py
+++ b/src/solidlsp/language_servers/fortran_language_server.py
@@ -12,7 +12,7 @@ import threading
 from overrides import override
 
 from solidlsp import ls_types
-from solidlsp.ls import SolidLanguageServer
+from solidlsp.ls import DocumentSymbols, LSPFileBuffer, SolidLanguageServer
 from solidlsp.ls_config import LanguageServerConfig
 from solidlsp.ls_logger import LanguageServerLogger
 from solidlsp.lsp_protocol_handler.lsp_types import InitializeParams
@@ -138,24 +138,20 @@ class FortranLanguageServer(SolidLanguageServer):
         return symbol
 
     @override
-    def request_document_symbols(
-        self, relative_file_path: str, include_body: bool = False
-    ) -> tuple[list[ls_types.UnifiedSymbolInformation], list[ls_types.UnifiedSymbolInformation]]:
-        """
-        Override to fix fortls's incorrect selectionRange bug.
+    def request_document_symbols(self, relative_file_path: str, file_buffer: LSPFileBuffer | None = None) -> DocumentSymbols:
+        # Override to fix fortls's incorrect selectionRange bug.
+        #
+        # fortls returns selectionRange pointing to line start (character 0) instead of the
+        # identifier name position. This breaks MCP server features that rely on exact positions.
+        #
+        # This override:
+        # 1. Gets symbols from fortls via parent implementation
+        # 2. Parses each symbol's line to find the correct identifier position
+        # 3. Fixes selectionRange for all symbols recursively
+        # 4. Returns corrected symbols
 
-        fortls returns selectionRange pointing to line start (character 0) instead of the
-        identifier name position. This breaks MCP server features that rely on exact positions.
-
-        This override:
-        1. Gets symbols from fortls via parent implementation
-        2. Parses each symbol's line to find the correct identifier position
-        3. Fixes selectionRange for all symbols recursively
-        4. Returns corrected symbols
-
-        """
         # Get symbols from fortls (with incorrect selectionRange)
-        all_symbols, root_symbols = super().request_document_symbols(relative_file_path, include_body)
+        document_symbols = super().request_document_symbols(relative_file_path, file_buffer=file_buffer)
 
         # Get file content for parsing
         with self.open_file(relative_file_path) as file_data:
@@ -173,10 +169,9 @@ class FortranLanguageServer(SolidLanguageServer):
             return fixed
 
         # Apply fix to all symbols
-        fixed_all_symbols = [fix_symbol_and_children(sym) for sym in all_symbols]
-        fixed_root_symbols = [fix_symbol_and_children(sym) for sym in root_symbols]
+        fixed_root_symbols = [fix_symbol_and_children(sym) for sym in document_symbols.root_symbols]
 
-        return fixed_all_symbols, fixed_root_symbols
+        return DocumentSymbols(fixed_root_symbols)
 
     @staticmethod
     def _check_fortls_installation():
diff --git a/src/solidlsp/language_servers/nixd_ls.py b/src/solidlsp/language_servers/nixd_ls.py
index bf108967..beea7c6b 100644
--- a/src/solidlsp/language_servers/nixd_ls.py
+++ b/src/solidlsp/language_servers/nixd_ls.py
@@ -16,7 +16,7 @@ from pathlib import Path
 from overrides import override
 
 from solidlsp import ls_types
-from solidlsp.ls import SolidLanguageServer
+from solidlsp.ls import DocumentSymbols, LSPFileBuffer, SolidLanguageServer
 from solidlsp.ls_config import LanguageServerConfig
 from solidlsp.ls_logger import LanguageServerLogger
 from solidlsp.lsp_protocol_handler.lsp_types import InitializeParams
@@ -70,17 +70,13 @@ class NixLanguageServer(SolidLanguageServer):
         return symbol
 
     @override
-    def request_document_symbols(
-        self, relative_file_path: str, include_body: bool = False
-    ) -> tuple[list[ls_types.UnifiedSymbolInformation], list[ls_types.UnifiedSymbolInformation]]:
-        """
-        Override to extend Nix symbol ranges to include trailing semicolons.
+    def request_document_symbols(self, relative_file_path: str, file_buffer: LSPFileBuffer | None = None) -> DocumentSymbols:
+        # Override to extend Nix symbol ranges to include trailing semicolons.
+        # nixd provides expression-level ranges (excluding semicolons) but serena needs
+        # statement-level ranges (including semicolons) for proper symbol replacement.
 
-        nixd provides expression-level ranges (excluding semicolons) but serena needs
-        statement-level ranges (including semicolons) for proper symbol replacement.
-        """
         # Get symbols from parent implementation
-        all_symbols, root_symbols = super().request_document_symbols(relative_file_path, include_body)
+        document_symbols = super().request_document_symbols(relative_file_path, file_buffer=file_buffer)
 
         # Get file content for range extension
         file_content = self.language_server.retrieve_full_file_content(relative_file_path)
@@ -97,10 +93,9 @@ class NixLanguageServer(SolidLanguageServer):
             return extended
 
         # Apply range extension to all symbols
-        extended_all_symbols = [extend_symbol_and_children(sym) for sym in all_symbols]
-        extended_root_symbols = [extend_symbol_and_children(sym) for sym in root_symbols]
+        extended_root_symbols = [extend_symbol_and_children(sym) for sym in document_symbols.root_symbols]
 
-        return extended_all_symbols, extended_root_symbols
+        return DocumentSymbols(extended_root_symbols)
 
     @override
     def is_ignored_dirname(self, dirname: str) -> bool:
diff --git a/src/solidlsp/ls.py b/src/solidlsp/ls.py
index 5092cf1f..ce91fb45 100644
--- a/src/solidlsp/ls.py
+++ b/src/solidlsp/ls.py
@@ -17,6 +17,7 @@ from time import sleep
 from typing import Self, Union, cast
 
 import pathspec
+from sensai.util.pickle import getstate, load_pickle
 
 from serena.text_utils import MatchedConsecutiveLines
 from serena.util.file_system import match_path
@@ -40,6 +41,7 @@ from solidlsp.settings import SolidLSPSettings
 from solidlsp.util.cache import load_cache, save_cache
 
 GenericDocumentSymbol = Union[LSPTypes.DocumentSymbol, LSPTypes.SymbolInformation, ls_types.UnifiedSymbolInformation]
+log = logging.getLogger(__name__)
 
 
 @dataclasses.dataclass(kw_only=True)
@@ -77,6 +79,50 @@ class LSPFileBuffer:
     def __post_init__(self):
         self.content_hash = hashlib.md5(self.contents.encode("utf-8")).hexdigest()
 
+    def split_lines(self) -> list[str]:
+        """Splits the contents of the file into lines."""
+        return self.contents.split("\n")
+
+
+class DocumentSymbols:
+    # IMPORTANT: Instances of this class are persisted in the high-level document symbol cache
+
+    def __init__(self, root_symbols: list[ls_types.UnifiedSymbolInformation]):
+        self.root_symbols = root_symbols
+        self._all_symbols: list[ls_types.UnifiedSymbolInformation] | None = None
+
+    def __getstate__(self):
+        return getstate(DocumentSymbols, self, transient_properties=["_all_symbols"])
+
+    def iter_symbols(self) -> Iterator[ls_types.UnifiedSymbolInformation]:
+        """
+        Iterate over all symbols in the document symbol tree.
+        Yields symbols in a depth-first manner.
+        """
+        if self._all_symbols is not None:
+            yield from self._all_symbols
+            return
+
+        def traverse(s: ls_types.UnifiedSymbolInformation):
+            yield s
+            for child in s.get("children", []):
+                yield from traverse(child)
+
+        for root_symbol in self.root_symbols:
+            yield from traverse(root_symbol)
+
+    def get_all_symbols_and_roots(self) -> tuple[list[ls_types.UnifiedSymbolInformation], list[ls_types.UnifiedSymbolInformation]]:
+        """
+        This function returns all symbols in the document as a flat list and the root symbols.
+        It exists to facilitate migration from previous versions, where this was the return interface of
+        the LS method that obtained document symbols.
+
+        :return: A tuple containing a list of all symbols in the document and a list of root symbols.
+        """
+        if self._all_symbols is None:
+            self._all_symbols = list(self.iter_symbols())
+        return self._all_symbols, self.root_symbols
+
 
 class SolidLanguageServer(ABC):
     """
@@ -85,7 +131,17 @@ class SolidLanguageServer(ABC):
     """
 
     CACHE_FOLDER_NAME = "cache"
-    CACHE_VERSION = 2
+    RAW_DOCUMENT_SYMBOLS_CACHE_VERSION = 1
+    """
+    global version identifier for raw symbol caches; an LS-specific version is defined separately and combined with this.
+    This should be incremented whenever there is a change in the way raw document symbols are stored.
+    If the result of a language server changes in a way that affects the raw document symbols,
+    the LS-specific version should be incremented instead.
+    """
+    RAW_DOCUMENT_SYMBOL_CACHE_FILENAME = "raw_document_symbols.pkl"
+    RAW_DOCUMENT_SYMBOL_CACHE_FILENAME_LEGACY_FALLBACK = "document_symbols_cache_v23-06-25.pkl"
+    DOCUMENT_SYMBOL_CACHE_VERSION = 3
+    DOCUMENT_SYMBOL_CACHE_FILENAME = "document_symbols.pkl"
 
     # To be overridden and extended by subclasses
     def is_ignored_dirname(self, dirname: str) -> bool:
@@ -162,6 +218,7 @@ class SolidLanguageServer(ABC):
         process_launch_info: ProcessLaunchInfo,
         language_id: str,
         solidlsp_settings: SolidLSPSettings,
+        cache_version_raw_document_symbols: int = 1,
     ):
         """
         Initializes a LanguageServer instance.
@@ -175,6 +232,10 @@ class SolidLanguageServer(ABC):
                     This parameter is the command to launch the language server process.
                     The command must pass appropriate flags to the binary, so that it runs in the stdio mode,
                     as opposed to HTTP, TCP modes supported by some language servers.
+        :param cache_version_raw_document_symbols: the version, for caching, of the raw document symbols coming
+            from this specific language server. This should be incremented by subclasses calling this constructor
+            whenever the format of the raw document symbols changes (typically because the language server
+            improves/fixes its output).
         """
         self._solidlsp_settings = solidlsp_settings
         self._encoding = config.encoding
@@ -189,14 +250,22 @@ class SolidLanguageServer(ABC):
         self.open_file_buffers: dict[str, LSPFileBuffer] = {}
         self.language = Language(language_id)
 
-        # load cache first to prevent any racing conditions due to asyncio stuff
-        self._document_symbols_cache: dict[
-            str, tuple[str, tuple[list[ls_types.UnifiedSymbolInformation], list[ls_types.UnifiedSymbolInformation]]]
-        ] = {}
-        """Maps file paths to a tuple of (file_content_hash, result_of_request_document_symbols)"""
-        self._cache_lock = threading.Lock()
-        self._cache_has_changed: bool = False
-        self.load_cache()
+        # initialise symbol caches
+        self.cache_dir = (
+            Path(self.repository_root_path) / self._solidlsp_settings.project_data_relative_path / self.CACHE_FOLDER_NAME / self.language_id
+        )
+        self.cache_dir.mkdir(parents=True, exist_ok=True)
+        # * raw document symbols cache
+        self._ls_specific_raw_document_symbols_cache_version = cache_version_raw_document_symbols
+        self._raw_document_symbols_cache: dict[str, tuple[str, list[GenericDocumentSymbol]]] = {}
+        """maps relative file paths to a tuple of (file_content_hash, raw_root_symbols)"""
+        self._raw_document_symbols_cache_is_modified: bool = False
+        self._load_raw_document_symbols_cache()
+        # * high-level document symbols cache
+        self._document_symbols_cache: dict[str, tuple[str, DocumentSymbols]] = {}
+        """maps relative file paths to a tuple of (file_content_hash, document_symbols)"""
+        self._document_symbols_cache_is_modified: bool = False
+        self._load_document_symbols_cache()
 
         self.server_started = False
         self.completions_available = threading.Event()
@@ -422,6 +491,20 @@ class SolidLanguageServer(ABC):
             )
             del self.open_file_buffers[uri]
 
+    @contextmanager
+    def _open_file_context(self, relative_file_path: str, file_buffer: LSPFileBuffer | None = None) -> Iterator[LSPFileBuffer]:
+        """
+        Internal context manager to open a file, optionally reusing an existing file buffer.
+
+        :param relative_file_path: the relative path of the file to open.
+        :param file_buffer: an optional existing file buffer to reuse.
+        """
+        if file_buffer is not None:
+            yield file_buffer
+        else:
+            with self.open_file(relative_file_path) as fb:
+                yield fb
+
     def insert_text_at_position(self, relative_file_path: str, line: int, column: int, text_to_be_inserted: str) -> ls_types.Position:
         """
         Insert text at the given line and column in the given file and return
@@ -831,150 +914,174 @@ class SolidLanguageServer(ABC):
 
             return [json.loads(json_repr) for json_repr in set(json.dumps(item, sort_keys=True) for item in completions_list)]
 
-    def _request_document_symbols(self, relative_file_path: str, include_body: bool = False) -> list[GenericDocumentSymbol]:
+    def _request_document_symbols(self, relative_file_path: str, file_data: LSPFileBuffer | None) -> list[GenericDocumentSymbol]:
         """
         Sends a [documentSymbol](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_documentSymbol)
-        request to the language server to find symbols in the given file, which is assumed to be opened while the call is active.
-        Waits for the response and returns it.
+        request to the language server to find symbols in the given file - or returns a cached result if available.
 
         :param relative_file_path: the relative path of the file that has the symbols.
-            IMPORTANT: It must be ensured that the file is already opened in the Language Server before calling this method.
-        :param include_body: whether to include the body of the symbols in the result.
-        :return: the list of symbols in the file.
+        :param file_data: the file data buffer, if already opened. If None, the file will be opened in this method.
+        :return: the list of root symbols in the file.
         """
-        self.logger.log(f"Requesting document symbols for {relative_file_path} from the Language Server", logging.DEBUG)
-        response = self.server.send.document_symbol(
-            {"textDocument": {"uri": pathlib.Path(os.path.join(self.repository_root_path, relative_file_path)).as_uri()}}
-        )
-        return response
 
-    def request_document_symbols(
-        self, relative_file_path: str, include_body: bool = False
-    ) -> tuple[list[ls_types.UnifiedSymbolInformation], list[ls_types.UnifiedSymbolInformation]]:
+        def get_cached_raw_document_symbols(cache_key: str, fd: LSPFileBuffer) -> list[GenericDocumentSymbol] | None:
+            file_hash_and_result = self._raw_document_symbols_cache.get(cache_key)
+            if file_hash_and_result is not None:
+                file_hash, result = file_hash_and_result
+                if file_hash == fd.content_hash:
+                    log.debug("Returning cached raw document symbols for %s", relative_file_path)
+                    return result
+                else:
+                    log.debug("Document content for %s has changed (raw symbol cache is not up-to-date)", relative_file_path)
+            else:
+                log.debug("No cache hit for raw document symbols symbols in %s", relative_file_path)
+            return None
+
+        def get_raw_document_symbols(fd: LSPFileBuffer) -> list[GenericDocumentSymbol]:
+            # check for cached result
+            cache_key = relative_file_path
+            response = get_cached_raw_document_symbols(cache_key, fd)
+            if response is not None:
+                return response
+
+            # no cached result, query language server
+            self.logger.log(f"Requesting document symbols for {relative_file_path} from the Language Server", logging.DEBUG)
+            response = self.server.send.document_symbol(
+                {"textDocument": {"uri": pathlib.Path(os.path.join(self.repository_root_path, relative_file_path)).as_uri()}}
+            )
+
+            # update cache
+            self._raw_document_symbols_cache[cache_key] = (file_data.content_hash, response)
+            self._raw_document_symbols_cache_is_modified = True
+
+            return response
+
+        if file_data is not None:
+            return get_raw_document_symbols(file_data)
+        else:
+            with self.open_file(relative_file_path) as opened_file_data:
+                return get_raw_document_symbols(opened_file_data)
+
+    def request_document_symbols(self, relative_file_path: str, file_buffer: LSPFileBuffer | None = None) -> DocumentSymbols:
         """
-        Retrieves the full list of symbols in the given file, along with the root symbols that represent the tree structure of the symbols.
+        Retrieves the collection of symbols in the given file
 
         :param relative_file_path: The relative path of the file that has the symbols
-        :param include_body: whether to include the body of the symbols in the result.
-        :return: A list of symbols in the file, and a list of root symbols that represent the tree structure of the symbols.
-            All symbols will have a location, children, and a parent attribute,
+        :param file_buffer: an optional file buffer if the file is already opened.
+        :return: the collection of symbols in the file.
+            All contained symbols will have a location, children, and a parent attribute,
             where the parent attribute is None for root symbols.
             Note that this is slightly different from the call to request_full_symbol_tree,
             where the parent attribute will be the file symbol which in turn may have a package symbol as parent.
             If you need a symbol tree that contains file symbols as well, you should use `request_full_symbol_tree` instead.
         """
-        # check if the desired result is cached
-        # TODO: it's kinda dumb to not use the cache if include_body is False after include_body was True once
-        #   Should be fixed in the future, it's a small performance optimization
-        cache_key = f"{relative_file_path}-{include_body}"
-        with self.open_file(relative_file_path) as file_data:
-            with self._cache_lock:
-                file_hash_and_result = self._document_symbols_cache.get(cache_key)
-                if file_hash_and_result is not None:
-                    file_hash, result = file_hash_and_result
-                    if file_hash == file_data.content_hash:
-                        self.logger.log(f"Returning cached document symbols for {relative_file_path}", logging.DEBUG)
-                        return result
-                    else:
-                        self.logger.log(f"Content for {relative_file_path} has changed. Will overwrite in-memory cache", logging.DEBUG)
+        with self._open_file_context(relative_file_path, file_buffer) as file_data:
+            # check if the desired result is cached
+            cache_key = relative_file_path
+            file_hash_and_result = self._document_symbols_cache.get(cache_key)
+            if file_hash_and_result is not None:
+                file_hash, document_symbols = file_hash_and_result
+                if file_hash == file_data.content_hash:
+                    log.debug("Returning cached document symbols for %s", relative_file_path)
+                    return document_symbols
                 else:
-                    self.logger.log(f"No cache hit for symbols with {include_body=} in {relative_file_path}", logging.DEBUG)
+                    log.debug("Cached document symbol content for %s has changed", relative_file_path)
+            else:
+                log.debug("No cache hit for document symbols in %s", relative_file_path)
 
-            # request the symbols from the language server
-            response = self._request_document_symbols(relative_file_path, include_body=include_body)
+            # no cached result: request the root symbols from the language server
+            root_symbols = self._request_document_symbols(relative_file_path, file_data)
 
-        if response is None:
-            self.logger.log(
-                f"Received None response from the Language Server for document symbols in {relative_file_path}. "
-                f"This means the language server can't understand this file (possibly due to syntax errors). It may also be due to a bug or misconfiguration of the LS. "
-                f"Returning empty list",
-                logging.WARNING,
-            )
-            return [], []
-        assert isinstance(response, list), f"Unexpected response from Language Server: {response}"
-        self.logger.log(
-            f"Received {len(response)} document symbols for {relative_file_path} from the Language Server",
-            logging.DEBUG,
-        )
-
-        def turn_item_into_symbol_with_children(item: GenericDocumentSymbol) -> ls_types.UnifiedSymbolInformation:
-            """
-            Ensures that the given item is augmented with location, children, and body (if requested),
-            such that it satisfies the UnifiedSymbolInformation structure.
-
-            :param item: the item to augment
-            :return: the augmented item (same object as input, but with more attributes and cast to UnifiedSymbolInformation)
-            """
-            item = cast(ls_types.UnifiedSymbolInformation, item)
-            absolute_path = os.path.join(self.repository_root_path, relative_file_path)
-
-            # handle missing entries in location
-            if "location" not in item:
-                uri = pathlib.Path(absolute_path).as_uri()
-                assert "range" in item
-                tree_location = ls_types.Location(
-                    uri=uri,
-                    range=item["range"],
-                    absolutePath=absolute_path,
-                    relativePath=relative_file_path,
+            if root_symbols is None:
+                log.warning(
+                    f"Received None response from the Language Server for document symbols in {relative_file_path}. "
+                    f"This means the language server can't understand this file (possibly due to syntax errors). It may also be due to a bug or misconfiguration of the LS. "
+                    f"Returning empty list",
                 )
-                item["location"] = tree_location
-            location = item["location"]
-            if "absolutePath" not in location:
-                location["absolutePath"] = absolute_path
-            if "relativePath" not in location:
-                location["relativePath"] = relative_file_path
-            if include_body:
-                item["body"] = self.retrieve_symbol_body(item)
-            # handle missing selectionRange
-            if "selectionRange" not in item:
-                if "range" in item:
-                    item["selectionRange"] = item["range"]
-                else:
-                    item["selectionRange"] = item["location"]["range"]
-            children = item.get(LSPConstants.CHILDREN, [])
-            for child in children:
-                child["parent"] = item
-            item[LSPConstants.CHILDREN] = children
-            return item
+                return DocumentSymbols([])
 
-        flat_all_symbol_list: list[ls_types.UnifiedSymbolInformation] = []
+            assert isinstance(root_symbols, list), f"Unexpected response from Language Server: {root_symbols}"
+            log.debug("Received %d root symbols for %s from the language server", len(root_symbols), relative_file_path)
 
-        def convert_nodes_with_common_parent(nodes: list[GenericDocumentSymbol], parent: ls_types.UnifiedSymbolInformation | None) -> None:
-            """
-            Converts the given nodes into UnifiedSymbolInformation with proper parent-child relationships,
-            adding overload indices for symbols with the same name under the same parent.
-            """
-            total_name_counts = defaultdict(lambda: 0)
-            for node in nodes:
-                total_name_counts[node["name"]] += 1
-            name_counts = defaultdict(lambda: 0)
-            for node in nodes:
-                flat_all_symbol_list.append(node)
-                usymbol_node = turn_item_into_symbol_with_children(node)
-                if total_name_counts[usymbol_node["name"]] > 1:
-                    usymbol_node["overload_idx"] = name_counts[usymbol_node["name"]]
-                name_counts[usymbol_node["name"]] += 1
-                usymbol_node["parent"] = parent
-                if usymbol_node["children"]:
-                    convert_nodes_with_common_parent(usymbol_node["children"], usymbol_node)
+            file_lines = file_data.split_lines()
 
-        root_nodes: list[ls_types.UnifiedSymbolInformation] = response
-        convert_nodes_with_common_parent(root_nodes, None)
+            def convert_to_unified_symbol(original_symbol_dict: GenericDocumentSymbol) -> ls_types.UnifiedSymbolInformation:
+                """
+                Converts the given symbol dictionary to the unified representation, ensuring
+                that all required fields are present (except 'children' which is handled separately).
 
-        result = flat_all_symbol_list, root_nodes
+                :param original_symbol_dict: the item to augment
+                :return: the augmented item (new object)
+                """
+                # noinspection PyInvalidCast
+                item = cast(ls_types.UnifiedSymbolInformation, dict(original_symbol_dict))
+                absolute_path = os.path.join(self.repository_root_path, relative_file_path)
 
-        # update cache
-        self.logger.log(f"Caching document symbols for {relative_file_path}", logging.DEBUG)
-        with self._cache_lock:
-            self._document_symbols_cache[cache_key] = (file_data.content_hash, result)
-            self._cache_has_changed = True
+                # handle missing location and path entries
+                if "location" not in item:
+                    uri = pathlib.Path(absolute_path).as_uri()
+                    assert "range" in item
+                    tree_location = ls_types.Location(
+                        uri=uri,
+                        range=item["range"],
+                        absolutePath=absolute_path,
+                        relativePath=relative_file_path,
+                    )
+                    item["location"] = tree_location
+                location = item["location"]
+                if "absolutePath" not in location:
+                    location["absolutePath"] = absolute_path
+                if "relativePath" not in location:
+                    location["relativePath"] = relative_file_path
 
-        return result
+                if "body" not in item:
+                    item["body"] = self.retrieve_symbol_body(item, file_lines=file_lines)
 
-    def request_full_symbol_tree(
-        self, within_relative_path: str | None = None, include_body: bool = False
-    ) -> list[ls_types.UnifiedSymbolInformation]:
+                # handle missing selectionRange
+                if "selectionRange" not in item:
+                    if "range" in item:
+                        item["selectionRange"] = item["range"]
+                    else:
+                        item["selectionRange"] = item["location"]["range"]
+
+                return item
+
+            def convert_symbols_with_common_parent(
+                symbols: list[GenericDocumentSymbol], parent: ls_types.UnifiedSymbolInformation | None
+            ) -> list[ls_types.UnifiedSymbolInformation]:
+                """
+                Converts the given symbols into UnifiedSymbolInformation with proper parent-child relationships,
+                adding overload indices for symbols with the same name under the same parent.
+                """
+                total_name_counts = defaultdict(lambda: 0)
+                for symbol in symbols:
+                    total_name_counts[symbol["name"]] += 1
+                name_counts = defaultdict(lambda: 0)
+                unified_symbols = []
+                for symbol in symbols:
+                    usymbol = convert_to_unified_symbol(symbol)
+                    if total_name_counts[usymbol["name"]] > 1:
+                        usymbol["overload_idx"] = name_counts[usymbol["name"]]
+                    name_counts[usymbol["name"]] += 1
+                    usymbol["parent"] = parent
+                    if "children" in usymbol:
+                        usymbol["children"] = convert_symbols_with_common_parent(usymbol["children"], usymbol)
+                    else:
+                        usymbol["children"] = []
+                    unified_symbols.append(usymbol)
+                return unified_symbols
+
+            unified_root_symbols = convert_symbols_with_common_parent(root_symbols, None)
+            document_symbols = DocumentSymbols(unified_root_symbols)
+
+            # update cache
+            log.debug("Updating cached document symbols for %s", relative_file_path)
+            self._document_symbols_cache[cache_key] = (file_data.content_hash, document_symbols)
+            self._document_symbols_cache_is_modified = True
+
+            return document_symbols
+
+    def request_full_symbol_tree(self, within_relative_path: str | None = None) -> list[ls_types.UnifiedSymbolInformation]:
         """
         Will go through all files in the project or within a relative path and build a tree of symbols.
         Note: this may be slow the first time it is called, especially if `within_relative_path` is not used to restrict the search.
@@ -989,8 +1096,6 @@ class SolidLanguageServer(ABC):
         :param within_relative_path: pass a relative path to only consider symbols within this path.
             If a file is passed, only the symbols within this file will be considered.
             If a directory is passed, all files within this directory will be considered.
-        :param include_body: whether to include the body of the symbols in the result.
-
         :return: A list of root symbols representing the top-level packages/modules in the project.
         """
         if within_relative_path is not None:
@@ -999,13 +1104,10 @@ class SolidLanguageServer(ABC):
                 raise FileNotFoundError(f"File or directory not found: {within_abs_path}")
             if os.path.isfile(within_abs_path):
                 if self.is_ignored_path(within_relative_path):
-                    self.logger.log(
-                        f"You passed a file explicitly, but it is ignored. This is probably an error. File: {within_relative_path}",
-                        logging.ERROR,
-                    )
+                    log.error("You passed a file explicitly, but it is ignored. This is probably an error. File: %s", within_relative_path)
                     return []
                 else:
-                    _, root_nodes = self.request_document_symbols(within_relative_path, include_body=include_body)
+                    root_nodes = self.request_document_symbols(within_relative_path).root_symbols
                     return root_nodes
 
         # Helper function to recursively process directories
@@ -1014,7 +1116,7 @@ class SolidLanguageServer(ABC):
             abs_dir_path = os.path.realpath(abs_dir_path)
 
             if self.is_ignored_path(str(Path(abs_dir_path).relative_to(self.repository_root_path))):
-                self.logger.log(f"Skipping directory: {rel_dir_path}\n(because it should be ignored)", logging.DEBUG)
+                log.debug("Skipping directory: %s (because it should be ignored)", rel_dir_path)
                 return []
 
             result = []
@@ -1047,14 +1149,16 @@ class SolidLanguageServer(ABC):
                     )
                 except ValueError as e:
                     # Typically happens when the path is not under the repository root (e.g., symlink pointing outside)
-                    self.logger.log(
-                        f"Skipping path {contained_dir_or_file_abs_path}; likely outside of the repository root {self.repository_root_path} [cause: {e}]",
-                        logging.WARNING,
+                    log.warning(
+                        "Skipping path %s; likely outside of the repository root %s [cause: %s]",
+                        contained_dir_or_file_abs_path,
+                        self.repository_root_path,
+                        e,
                     )
                     continue
 
                 if self.is_ignored_path(contained_dir_or_file_rel_path):
-                    self.logger.log(f"Skipping item: {contained_dir_or_file_rel_path}\n(because it should be ignored)", logging.DEBUG)
+                    log.debug("Skipping item: %s (because it should be ignored)", contained_dir_or_file_rel_path)
                     continue
 
                 if os.path.isdir(contained_dir_or_file_abs_path):
@@ -1064,28 +1168,28 @@ class SolidLanguageServer(ABC):
                         child["parent"] = package_symbol
 
                 elif os.path.isfile(contained_dir_or_file_abs_path):
-                    _, file_root_nodes = self.request_document_symbols(contained_dir_or_file_rel_path, include_body=include_body)
+                    with self._open_file_context(contained_dir_or_file_rel_path) as file_data:
+                        document_symbols = self.request_document_symbols(contained_dir_or_file_rel_path, file_data)
+                        file_root_nodes = document_symbols.root_symbols
 
-                    # Create file symbol, link with children
-                    file_rel_path = str(Path(contained_dir_or_file_abs_path).resolve().relative_to(self.repository_root_path))
-                    with self.open_file(file_rel_path) as file_data:
-                        fileRange = self._get_range_from_file_content(file_data.contents)
-                    file_symbol = ls_types.UnifiedSymbolInformation(  # type: ignore
-                        name=os.path.splitext(contained_dir_or_file_name)[0],
-                        kind=ls_types.SymbolKind.File,
-                        range=fileRange,
-                        selectionRange=fileRange,
-                        location=ls_types.Location(
-                            uri=str(pathlib.Path(contained_dir_or_file_abs_path).as_uri()),
-                            range=fileRange,
-                            absolutePath=str(contained_dir_or_file_abs_path),
-                            relativePath=str(Path(contained_dir_or_file_abs_path).resolve().relative_to(self.repository_root_path)),
-                        ),
-                        children=file_root_nodes,
-                        parent=package_symbol,
-                    )
-                    for child in file_root_nodes:
-                        child["parent"] = file_symbol
+                        # Create file symbol, link with children
+                        file_range = self._get_range_from_file_content(file_data.contents)
+                        file_symbol = ls_types.UnifiedSymbolInformation(  # type: ignore
+                            name=os.path.splitext(contained_dir_or_file_name)[0],
+                            kind=ls_types.SymbolKind.File,
+                            range=file_range,
+                            selectionRange=file_range,
+                            location=ls_types.Location(
+                                uri=str(pathlib.Path(contained_dir_or_file_abs_path).as_uri()),
+                                range=file_range,
+                                absolutePath=str(contained_dir_or_file_abs_path),
+                                relativePath=str(Path(contained_dir_or_file_abs_path).resolve().relative_to(self.repository_root_path)),
+                            ),
+                            children=file_root_nodes,
+                            parent=package_symbol,
+                        )
+                        for child in file_root_nodes:
+                            child["parent"] = file_symbol
 
                     # Link file symbol with package
                     package_symbol["children"].append(file_symbol)
@@ -1173,8 +1277,7 @@ class SolidLanguageServer(ABC):
         """
         :return: the top-level symbols in the given file.
         """
-        _, document_roots = self.request_document_symbols(relative_file_path)
-        return document_roots
+        return self.request_document_symbols(relative_file_path).root_symbols
 
     def request_overview(self, within_relative_path: str) -> dict[str, list[UnifiedSymbolInformation]]:
         """
@@ -1222,7 +1325,12 @@ class SolidLanguageServer(ABC):
 
         return ls_types.Hover(**response)
 
-    def retrieve_symbol_body(self, symbol: ls_types.UnifiedSymbolInformation | LSPTypes.DocumentSymbol | LSPTypes.SymbolInformation) -> str:
+    def retrieve_symbol_body(
+        self,
+        symbol: ls_types.UnifiedSymbolInformation | LSPTypes.DocumentSymbol | LSPTypes.SymbolInformation,
+        file_lines: list[str] | None = None,
+        file_buffer: LSPFileBuffer | None = None,
+    ) -> str:
         """
         Load the body of the given symbol. If the body is already contained in the symbol, just return it.
         """
@@ -1234,9 +1342,10 @@ class SolidLanguageServer(ABC):
         symbol_start_line = symbol["location"]["range"]["start"]["line"]
         symbol_end_line = symbol["location"]["range"]["end"]["line"]
         assert "relativePath" in symbol["location"]
-        symbol_file = self.retrieve_full_file_content(symbol["location"]["relativePath"])
-        symbol_lines = symbol_file.split("\n")
-        symbol_body = "\n".join(symbol_lines[symbol_start_line : symbol_end_line + 1])
+        if file_lines is None:
+            with self._open_file_context(symbol["location"]["relativePath"], file_buffer) as f:
+                file_lines = f.split_lines()
+        symbol_body = "\n".join(file_lines[symbol_start_line : symbol_end_line + 1])
 
         # remove leading indentation
         symbol_start_column = symbol["location"]["range"]["start"]["character"]
@@ -1311,8 +1420,8 @@ class SolidLanguageServer(ABC):
                     ref_text = file_data.contents.split("\n")[ref_line]
                     if "." in ref_text:
                         containing_symbol_name = ref_text.split(".")[0]
-                        all_symbols, _ = self.request_document_symbols(ref_path)
-                        for symbol in all_symbols:
+                        document_symbols = self.request_document_symbols(ref_path)
+                        for symbol in document_symbols.iter_symbols():
                             if symbol["name"] == containing_symbol_name and symbol["kind"] == ls_types.SymbolKind.Variable:
                                 containing_symbol = copy(symbol)
                                 containing_symbol["location"] = ref
@@ -1433,12 +1542,12 @@ class SolidLanguageServer(ABC):
                 )
                 return None
 
-        symbols, _ = self.request_document_symbols(relative_file_path)
+        document_symbols = self.request_document_symbols(relative_file_path)
 
         # make jedi and pyright api compatible
         # the former has no location, the later has no range
         # we will just always add location of the desired format to all symbols
-        for symbol in symbols:
+        for symbol in document_symbols.iter_symbols():
             if "location" not in symbol:
                 range = symbol["range"]
                 location = ls_types.Location(
@@ -1476,10 +1585,10 @@ class SolidLanguageServer(ABC):
         # Only consider containers that are not one-liners (otherwise we may get imports)
         candidate_containers = [
             s
-            for s in symbols
+            for s in document_symbols.iter_symbols()
             if s["kind"] in container_symbol_kinds and s["location"]["range"]["start"]["line"] != s["location"]["range"]["end"]["line"]
         ]
-        var_containers = [s for s in symbols if s["kind"] == ls_types.SymbolKind.Variable]
+        var_containers = [s for s in document_symbols.iter_symbols() if s["kind"] == ls_types.SymbolKind.Variable]
         candidate_containers.extend(var_containers)
 
         if not candidate_containers:
@@ -1566,56 +1675,110 @@ class SolidLanguageServer(ABC):
 
         return defining_symbol
 
-    @property
-    def cache_path(self) -> Path:
-        """
-        The path to the cache file for the document symbols.
-        """
-        return (
-            Path(self.repository_root_path)
-            / self._solidlsp_settings.project_data_relative_path
-            / self.CACHE_FOLDER_NAME
-            / self.language_id
-            / "document_symbols_cache.pkl"
-        )
+    def _save_raw_document_symbols_cache(self):
+        cache_file = self.cache_dir / self.RAW_DOCUMENT_SYMBOL_CACHE_FILENAME
 
-    def save_cache(self):
-        with self._cache_lock:
-            if not self._cache_has_changed:
-                self.logger.log("No changes to document symbols cache, skipping save", logging.DEBUG)
-                return
-
-            self.logger.log(f"Saving updated document symbols cache to {self.cache_path}", logging.INFO)
-            self.cache_path.parent.mkdir(parents=True, exist_ok=True)
-            try:
-                save_cache(str(self.cache_path), self.CACHE_VERSION, self._document_symbols_cache)
-                self._cache_has_changed = False
-            except Exception as e:
-                self.logger.log(
-                    f"Failed to save document symbols cache to {self.cache_path}: {e}. "
-                    "Note: this may have resulted in a corrupted cache file.",
-                    logging.ERROR,
-                )
-
-    def load_cache(self):
-        if not self.cache_path.exists():
+        if not self._raw_document_symbols_cache_is_modified:
+            log.debug("No changes to raw document symbols cache, skipping save")
             return
 
-        with self._cache_lock:
-            self.logger.log(f"Loading document symbols cache from {self.cache_path}", logging.INFO)
+        log.info("Saving updated raw document symbols cache to %s", cache_file)
+        try:
+            save_cache(str(cache_file), self._raw_document_symbols_cache_version(), self._raw_document_symbols_cache)
+            self._raw_document_symbols_cache_is_modified = False
+        except Exception as e:
+            log.error(
+                "Failed to save raw document symbols cache to %s: %s. Note: this may have resulted in a corrupted cache file.",
+                cache_file,
+                e,
+            )
+
+    def _raw_document_symbols_cache_version(self):
+        return (self.RAW_DOCUMENT_SYMBOLS_CACHE_VERSION, self._ls_specific_raw_document_symbols_cache_version)
+
+    def _load_raw_document_symbols_cache(self):
+        cache_file = self.cache_dir / self.RAW_DOCUMENT_SYMBOL_CACHE_FILENAME
+
+        if not cache_file.exists():
+            # check for legacy cache to load to migrate
+            legacy_cache_file = self.cache_dir / self.RAW_DOCUMENT_SYMBOL_CACHE_FILENAME_LEGACY_FALLBACK
+            if legacy_cache_file.exists():
+                try:
+                    legacy_cache: dict[
+                        str, tuple[str, tuple[list[ls_types.UnifiedSymbolInformation], list[ls_types.UnifiedSymbolInformation]]]
+                    ] = load_pickle(legacy_cache_file)
+                    log.info("Migrating legacy document symbols cache with %d entries", len(legacy_cache))
+                    num_symbols_migrated = 0
+                    migrated_cache = {}
+                    for cache_key, (file_hash, (all_symbols, root_symbols)) in legacy_cache.items():
+                        if cache_key.endswith("-True"):  # include_body=True
+                            new_cache_key = cache_key[:-5]
+                            migrated_cache[new_cache_key] = (file_hash, root_symbols)
+                            num_symbols_migrated += len(all_symbols)
+                    log.info("Migrated %d document symbols from legacy cache", num_symbols_migrated)
+                    self._raw_document_symbols_cache = migrated_cache
+                    return
+                except Exception as e:
+                    log.error("Failed to migrate cache: %s", e)
+                    return
+
+        # load existing cache (if any)
+        if cache_file.exists():
+            log.info("Loading document symbols cache from %s", cache_file)
             try:
-                saved_cache = load_cache(str(self.cache_path), self.CACHE_VERSION)
+                saved_cache = load_cache(str(cache_file), self._raw_document_symbols_cache_version())
+                if saved_cache is not None:
+                    self._raw_document_symbols_cache = saved_cache
+                    self.logger.log(
+                        f"Loaded {len(self._raw_document_symbols_cache)} entries from raw document symbols cache.", logging.INFO
+                    )
+            except Exception as e:
+                # cache can become corrupt, so just skip loading it
+                log.warning(
+                    "Failed to load raw document symbols cache from %s (%s); Ignoring cache.",
+                    cache_file,
+                    e,
+                )
+
+    def _save_document_symbols_cache(self):
+        cache_file = self.cache_dir / self.DOCUMENT_SYMBOL_CACHE_FILENAME
+
+        if not self._document_symbols_cache_is_modified:
+            log.debug("No changes to document symbols cache, skipping save")
+            return
+
+        log.info("Saving updated document symbols cache to %s", cache_file)
+        try:
+            save_cache(str(cache_file), self.DOCUMENT_SYMBOL_CACHE_VERSION, self._document_symbols_cache)
+            self._document_symbols_cache_is_modified = False
+        except Exception as e:
+            log.error(
+                "Failed to save document symbols cache to %s: %s. Note: this may have resulted in a corrupted cache file.",
+                cache_file,
+                e,
+            )
+
+    def _load_document_symbols_cache(self):
+        cache_file = self.cache_dir / self.DOCUMENT_SYMBOL_CACHE_FILENAME
+        if cache_file.exists():
+            log.info("Loading document symbols cache from %s", cache_file)
+            try:
+                saved_cache = load_cache(str(cache_file), self.DOCUMENT_SYMBOL_CACHE_VERSION)
                 if saved_cache is not None:
                     self._document_symbols_cache = saved_cache
-                    self.logger.log(f"Loaded {len(self._document_symbols_cache)} document symbols from cache.", logging.INFO)
+                    self.logger.log(f"Loaded {len(self._document_symbols_cache)} entries from document symbols cache.", logging.INFO)
             except Exception as e:
-                # cache often becomes corrupt, so just skip loading it
-                self.logger.log(
-                    f"Failed to load document symbols cache from {self.cache_path}: {e}. Possible cause: the cache file is corrupted. "
-                    "Check for any errors related to saving the cache in the logs.",
-                    logging.ERROR,
+                # cache can become corrupt, so just skip loading it
+                log.warning(
+                    "Failed to load document symbols cache from %s (%s); Ignoring cache.",
+                    cache_file,
+                    e,
                 )
 
+    def save_cache(self):
+        self._save_raw_document_symbols_cache()
+        self._save_document_symbols_cache()
+
     def request_workspace_symbol(self, query: str) -> list[ls_types.UnifiedSymbolInformation] | None:
         """
         Raise a [workspace/symbol](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#workspace_symbol) request to the Language Server
diff --git a/test/solidlsp/al/test_al_basic.py b/test/solidlsp/al/test_al_basic.py
index 1fb95e42..47e859ca 100644
--- a/test/solidlsp/al/test_al_basic.py
+++ b/test/solidlsp/al/test_al_basic.py
@@ -43,7 +43,7 @@ class TestALLanguageServer:
     def test_find_table_fields(self, language_server: SolidLanguageServer) -> None:
         """Test that AL Language Server can find fields within a table."""
         file_path = os.path.join("src", "Tables", "Customer.Table.al")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         # AL tables should have their fields as child symbols
         customer_table = None
@@ -76,7 +76,7 @@ class TestALLanguageServer:
     def test_find_procedures(self, language_server: SolidLanguageServer) -> None:
         """Test that AL Language Server can find procedures in codeunits."""
         file_path = os.path.join("src", "Codeunits", "CustomerMgt.Codeunit.al")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         # Find the codeunit symbol - AL returns 'Codeunit 50000 CustomerMgt'
         codeunit_symbol = None
@@ -100,7 +100,7 @@ class TestALLanguageServer:
         """Test that AL Language Server can find references to symbols."""
         # Find references to the Customer table from the CustomerMgt codeunit
         table_file = os.path.join("src", "Tables", "Customer.Table.al")
-        symbols = language_server.request_document_symbols(table_file)
+        symbols = language_server.request_document_symbols(table_file).get_all_symbols_and_roots()
 
         # Find the Customer table symbol
         customer_symbol = None
diff --git a/test/solidlsp/bash/test_bash_basic.py b/test/solidlsp/bash/test_bash_basic.py
index 4060f212..1f2aa995 100644
--- a/test/solidlsp/bash/test_bash_basic.py
+++ b/test/solidlsp/bash/test_bash_basic.py
@@ -25,7 +25,7 @@ class TestBashLanguageServerBasics:
     def test_bash_request_document_symbols(self, language_server: SolidLanguageServer) -> None:
         """Test request_document_symbols for bash files."""
         # Test getting symbols from main.sh
-        all_symbols, _root_symbols = language_server.request_document_symbols("main.sh", include_body=False)
+        all_symbols, _root_symbols = language_server.request_document_symbols("main.sh").get_all_symbols_and_roots()
 
         # Extract function symbols (LSP Symbol Kind 12)
         function_symbols = [symbol for symbol in all_symbols if symbol.get("kind") == 12]
@@ -41,7 +41,7 @@ class TestBashLanguageServerBasics:
     def test_bash_request_document_symbols_with_body(self, language_server: SolidLanguageServer) -> None:
         """Test request_document_symbols with body extraction."""
         # Test with include_body=True
-        all_symbols, _root_symbols = language_server.request_document_symbols("main.sh", include_body=True)
+        all_symbols, _root_symbols = language_server.request_document_symbols("main.sh").get_all_symbols_and_roots()
 
         function_symbols = [symbol for symbol in all_symbols if symbol.get("kind") == 12]
 
@@ -58,7 +58,7 @@ class TestBashLanguageServerBasics:
     def test_bash_utils_functions(self, language_server: SolidLanguageServer) -> None:
         """Test function detection in utils.sh file."""
         # Test with utils.sh as well
-        utils_all_symbols, _utils_root_symbols = language_server.request_document_symbols("utils.sh", include_body=False)
+        utils_all_symbols, _utils_root_symbols = language_server.request_document_symbols("utils.sh").get_all_symbols_and_roots()
 
         utils_function_symbols = [symbol for symbol in utils_all_symbols if symbol.get("kind") == 12]
         utils_function_names = [symbol["name"] for symbol in utils_function_symbols]
@@ -84,12 +84,12 @@ class TestBashLanguageServerBasics:
     def test_bash_function_syntax_patterns(self, language_server: SolidLanguageServer) -> None:
         """Test that LSP detects different bash function syntax patterns correctly."""
         # Test main.sh (has both 'function' keyword and traditional syntax)
-        main_all_symbols, _main_root_symbols = language_server.request_document_symbols("main.sh", include_body=False)
+        main_all_symbols, _main_root_symbols = language_server.request_document_symbols("main.sh").get_all_symbols_and_roots()
         main_functions = [symbol for symbol in main_all_symbols if symbol.get("kind") == 12]
         main_function_names = [func["name"] for func in main_functions]
 
         # Test utils.sh (all use 'function' keyword)
-        utils_all_symbols, _utils_root_symbols = language_server.request_document_symbols("utils.sh", include_body=False)
+        utils_all_symbols, _utils_root_symbols = language_server.request_document_symbols("utils.sh").get_all_symbols_and_roots()
         utils_functions = [symbol for symbol in utils_all_symbols if symbol.get("kind") == 12]
         utils_function_names = [func["name"] for func in utils_functions]
 
diff --git a/test/solidlsp/clojure/test_clojure_basic.py b/test/solidlsp/clojure/test_clojure_basic.py
index dc10b885..c4037e54 100644
--- a/test/solidlsp/clojure/test_clojure_basic.py
+++ b/test/solidlsp/clojure/test_clojure_basic.py
@@ -53,7 +53,7 @@ class TestLanguageServerBasics:
 
     @pytest.mark.parametrize("language_server", [Language.CLOJURE], indirect=True)
     def test_document_symbols(self, language_server: SolidLanguageServer):
-        symbols, _ = language_server.request_document_symbols(CORE_PATH)
+        symbols, _ = language_server.request_document_symbols(CORE_PATH).get_all_symbols_and_roots()
 
         assert isinstance(symbols, list) and len(symbols) >= 4, "greet, add, multiply, -main functions"
 
diff --git a/test/solidlsp/csharp/test_csharp_basic.py b/test/solidlsp/csharp/test_csharp_basic.py
index 3c6d99c7..21ec4146 100644
--- a/test/solidlsp/csharp/test_csharp_basic.py
+++ b/test/solidlsp/csharp/test_csharp_basic.py
@@ -31,7 +31,7 @@ class TestCSharpLanguageServer:
     def test_get_document_symbols(self, language_server: SolidLanguageServer) -> None:
         """Test getting document symbols from a C# file."""
         file_path = os.path.join("Program.cs")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         # Check that we have symbols
         assert len(symbols) > 0
@@ -49,7 +49,7 @@ class TestCSharpLanguageServer:
     def test_find_referencing_symbols(self, language_server: SolidLanguageServer) -> None:
         """Test finding references using symbol selection range."""
         file_path = os.path.join("Program.cs")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         add_symbol = None
         # Handle nested symbol structure
         symbol_list = symbols[0] if symbols and isinstance(symbols[0], list) else symbols
@@ -68,7 +68,7 @@ class TestCSharpLanguageServer:
     def test_nested_namespace_symbols(self, language_server: SolidLanguageServer) -> None:
         """Test getting symbols from nested namespace."""
         file_path = os.path.join("Models", "Person.cs")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         # Check that we have symbols
         assert len(symbols) > 0
@@ -93,7 +93,7 @@ class TestCSharpLanguageServer:
         """Test finding references to Calculator.Subtract method across files."""
         # First, find the Subtract method in Program.cs
         file_path = os.path.join("Program.cs")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         # Flatten the symbols if they're nested
         symbol_list = symbols[0] if symbols and isinstance(symbols[0], list) else symbols
diff --git a/test/solidlsp/dart/test_dart_basic.py b/test/solidlsp/dart/test_dart_basic.py
index 460f80c8..6ea1163a 100644
--- a/test/solidlsp/dart/test_dart_basic.py
+++ b/test/solidlsp/dart/test_dart_basic.py
@@ -171,7 +171,7 @@ class TestDartLanguageServer:
     def test_find_referencing_symbols(self, language_server: SolidLanguageServer) -> None:
         """Test finding references using symbol selection range."""
         file_path = os.path.join("lib", "main.dart")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         # Handle nested symbol structure - symbols can be nested in lists
         symbol_list = symbols[0] if symbols and isinstance(symbols[0], list) else symbols
@@ -281,7 +281,7 @@ class TestDartLanguageServer:
     def test_request_document_symbols(self, language_server: SolidLanguageServer) -> None:
         """Test getting document symbols from a Dart file."""
         file_path = os.path.join("lib", "main.dart")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         # Check that we have symbols
         assert len(symbols) > 0
@@ -308,7 +308,7 @@ class TestDartLanguageServer:
     def test_request_referencing_symbols_comprehensive(self, language_server: SolidLanguageServer) -> None:
         """Test comprehensive referencing symbols functionality."""
         file_path = os.path.join("lib", "main.dart")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         # Handle nested symbol structure
         symbol_list = symbols[0] if symbols and isinstance(symbols[0], list) else symbols
@@ -339,7 +339,7 @@ class TestDartLanguageServer:
         helper_file_path = os.path.join("lib", "helper.dart")
 
         # Test finding references to subtract function from helper.dart in main.dart
-        helper_symbols = language_server.request_document_symbols(helper_file_path)
+        helper_symbols = language_server.request_document_symbols(helper_file_path).get_all_symbols_and_roots()
         symbol_list = helper_symbols[0] if helper_symbols and isinstance(helper_symbols[0], list) else helper_symbols
 
         subtract_symbol = next((s for s in symbol_list if s.get("name") == "subtract"), None)
diff --git a/test/solidlsp/elixir/test_elixir_basic.py b/test/solidlsp/elixir/test_elixir_basic.py
index 10391406..44bf7378 100644
--- a/test/solidlsp/elixir/test_elixir_basic.py
+++ b/test/solidlsp/elixir/test_elixir_basic.py
@@ -25,7 +25,7 @@ class TestElixirBasic:
     def test_request_references_function_definition(self, language_server: SolidLanguageServer):
         """Test finding references to a function definition."""
         file_path = os.path.join("lib", "models.ex")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         # Find the User module's 'new' function
         user_new_symbol = None
@@ -54,7 +54,7 @@ class TestElixirBasic:
     def test_request_references_create_user_function(self, language_server: SolidLanguageServer):
         """Test finding references to create_user function."""
         file_path = os.path.join("lib", "services.ex")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         # Find the UserService module's 'create_user' function
         create_user_symbol = None
@@ -79,7 +79,7 @@ class TestElixirBasic:
     def test_request_referencing_symbols_function(self, language_server: SolidLanguageServer):
         """Test finding symbols that reference a specific function."""
         file_path = os.path.join("lib", "models.ex")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         # Find the User module's 'new' function
         user_new_symbol = None
@@ -103,10 +103,10 @@ class TestElixirBasic:
     def test_timeout_enumeration_bug(self, language_server: SolidLanguageServer):
         """Test that enumeration doesn't timeout (regression test)."""
         # This should complete without timing out
-        symbols = language_server.request_document_symbols("lib/models.ex")
+        symbols = language_server.request_document_symbols("lib/models.ex").get_all_symbols_and_roots()
         assert symbols is not None
 
         # Test multiple symbol requests in succession
         for _ in range(3):
-            symbols = language_server.request_document_symbols("lib/services.ex")
+            symbols = language_server.request_document_symbols("lib/services.ex").get_all_symbols_and_roots()
             assert symbols is not None
diff --git a/test/solidlsp/elixir/test_elixir_ignored_dirs.py b/test/solidlsp/elixir/test_elixir_ignored_dirs.py
index 95a6f5f2..14f70dfd 100644
--- a/test/solidlsp/elixir/test_elixir_ignored_dirs.py
+++ b/test/solidlsp/elixir/test_elixir_ignored_dirs.py
@@ -46,7 +46,7 @@ def test_find_references_ignores_dir(ls_with_ignored_dirs: SolidLanguageServer):
     definition_file = "lib/models.ex"
 
     # Find the User struct definition
-    symbols = ls_with_ignored_dirs.request_document_symbols(definition_file)
+    symbols = ls_with_ignored_dirs.request_document_symbols(definition_file).get_all_symbols_and_roots()
     user_symbol = None
     for symbol_group in symbols:
         user_symbol = next((s for s in symbol_group if "User" in s.get("name", "")), None)
@@ -87,7 +87,7 @@ def test_refs_and_symbols_with_glob_patterns(repo_path: Path) -> None:
         definition_file = "lib/models.ex"
 
         # Find the User struct definition
-        symbols = ls.request_document_symbols(definition_file)
+        symbols = ls.request_document_symbols(definition_file).get_all_symbols_and_roots()
         user_symbol = None
         for symbol_group in symbols:
             user_symbol = next((s for s in symbol_group if "User" in s.get("name", "")), None)
diff --git a/test/solidlsp/elixir/test_elixir_integration.py b/test/solidlsp/elixir/test_elixir_integration.py
index 8478332f..553d2569 100644
--- a/test/solidlsp/elixir/test_elixir_integration.py
+++ b/test/solidlsp/elixir/test_elixir_integration.py
@@ -72,7 +72,7 @@ class TestElixirIntegration:
     def test_module_hierarchy_understanding(self, language_server: SolidLanguageServer):
         """Test that the language server understands Elixir module hierarchy."""
         models_file = os.path.join("lib", "models.ex")
-        symbols = language_server.request_document_symbols(models_file)
+        symbols = language_server.request_document_symbols(models_file).get_all_symbols_and_roots()
 
         if symbols:
             # Flatten symbol structure
diff --git a/test/solidlsp/elixir/test_elixir_symbol_retrieval.py b/test/solidlsp/elixir/test_elixir_symbol_retrieval.py
index a6c31b6d..b8c058cc 100644
--- a/test/solidlsp/elixir/test_elixir_symbol_retrieval.py
+++ b/test/solidlsp/elixir/test_elixir_symbol_retrieval.py
@@ -120,7 +120,7 @@ class TestElixirLanguageServerSymbols:
         # Test referencing symbols for User struct
         file_path = os.path.join("lib", "models.ex")
 
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         user_symbol = None
         for symbol_group in symbols:
             user_symbol = next((s for s in symbol_group if "User" in s.get("name", "")), None)
diff --git a/test/solidlsp/elm/test_elm_basic.py b/test/solidlsp/elm/test_elm_basic.py
index 87669d8f..6283d914 100644
--- a/test/solidlsp/elm/test_elm_basic.py
+++ b/test/solidlsp/elm/test_elm_basic.py
@@ -20,7 +20,7 @@ class TestElmLanguageServer:
     @pytest.mark.parametrize("language_server", [Language.ELM], indirect=True)
     def test_find_references_within_file(self, language_server: SolidLanguageServer) -> None:
         file_path = os.path.join("Main.elm")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         greet_symbol = None
         for sym in symbols[0]:
             if sym.get("name") == "greet":
@@ -35,7 +35,7 @@ class TestElmLanguageServer:
     def test_find_references_across_files(self, language_server: SolidLanguageServer) -> None:
         # Test formatMessage function which is defined in Utils.elm and used in Main.elm
         utils_path = os.path.join("Utils.elm")
-        symbols = language_server.request_document_symbols(utils_path)
+        symbols = language_server.request_document_symbols(utils_path).get_all_symbols_and_roots()
         formatMessage_symbol = None
         for sym in symbols[0]:
             if sym.get("name") == "formatMessage":
diff --git a/test/solidlsp/erlang/test_erlang_basic.py b/test/solidlsp/erlang/test_erlang_basic.py
index 6375e6bb..50ab3197 100644
--- a/test/solidlsp/erlang/test_erlang_basic.py
+++ b/test/solidlsp/erlang/test_erlang_basic.py
@@ -29,7 +29,7 @@ class TestErlangLanguageServerBasics:
         """Test document symbols retrieval for Erlang files."""
         try:
             file_path = "hello.erl"
-            symbols_tuple = language_server.request_document_symbols(file_path)
+            symbols_tuple = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
             assert isinstance(symbols_tuple, tuple)
             assert len(symbols_tuple) == 2
 
diff --git a/test/solidlsp/erlang/test_erlang_ignored_dirs.py b/test/solidlsp/erlang/test_erlang_ignored_dirs.py
index bbb198a4..6b9ee69c 100644
--- a/test/solidlsp/erlang/test_erlang_ignored_dirs.py
+++ b/test/solidlsp/erlang/test_erlang_ignored_dirs.py
@@ -63,7 +63,7 @@ def test_find_references_ignores_dir(ls_with_ignored_dirs: SolidLanguageServer):
     definition_file = "include/records.hrl"
 
     # Find the user record definition
-    symbols = ls_with_ignored_dirs.request_document_symbols(definition_file)
+    symbols = ls_with_ignored_dirs.request_document_symbols(definition_file).get_all_symbols_and_roots()
     user_symbol = None
     for symbol_group in symbols:
         user_symbol = next((s for s in symbol_group if "user" in s.get("name", "").lower()), None)
@@ -107,7 +107,7 @@ def test_refs_and_symbols_with_glob_patterns(repo_path: Path) -> None:
         definition_file = "include/records.hrl"
 
         # Find the user record definition
-        symbols = ls.request_document_symbols(definition_file)
+        symbols = ls.request_document_symbols(definition_file).get_all_symbols_and_roots()
         user_symbol = None
         for symbol_group in symbols:
             user_symbol = next((s for s in symbol_group if "user" in s.get("name", "").lower()), None)
@@ -203,7 +203,7 @@ def test_document_symbols_ignores_dirs(ls_with_ignored_dirs: SolidLanguageServer
     # Try to get symbols from a file in ignored directory (should not find it)
     try:
         ignored_file = "ignored_dir/ignored_module.erl"
-        symbols = ls_with_ignored_dirs.request_document_symbols(ignored_file)
+        symbols = ls_with_ignored_dirs.request_document_symbols(ignored_file).get_all_symbols_and_roots()
         # If we get here, the file was found - symbols should be empty or None
         if symbols:
             assert len(symbols) == 0, "Should not find symbols in ignored directory"
diff --git a/test/solidlsp/erlang/test_erlang_symbol_retrieval.py b/test/solidlsp/erlang/test_erlang_symbol_retrieval.py
index f980853b..f423698f 100644
--- a/test/solidlsp/erlang/test_erlang_symbol_retrieval.py
+++ b/test/solidlsp/erlang/test_erlang_symbol_retrieval.py
@@ -126,7 +126,7 @@ class TestErlangLanguageServerSymbols:
         # Test referencing symbols for user record
         file_path = os.path.join("include", "records.hrl")
 
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         user_symbol = None
         for symbol_group in symbols:
             user_symbol = next((s for s in symbol_group if "user" in s.get("name", "")), None)
@@ -156,7 +156,7 @@ class TestErlangLanguageServerSymbols:
         # Test referencing symbols for create_user function
         file_path = os.path.join("src", "models.erl")
 
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         create_user_symbol = None
         for symbol_group in symbols:
             create_user_symbol = next((s for s in symbol_group if "create_user" in s.get("name", "")), None)
@@ -418,7 +418,7 @@ class TestErlangLanguageServerSymbols:
         # Test that we can find references to models module functions in services.erl
         file_path = os.path.join("src", "models.erl")
 
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         create_user_symbol = None
         for symbol_group in symbols:
             create_user_symbol = next((s for s in symbol_group if "create_user" in s.get("name", "")), None)
diff --git a/test/solidlsp/fortran/test_fortran_basic.py b/test/solidlsp/fortran/test_fortran_basic.py
index 09b3dd20..e4ea280d 100644
--- a/test/solidlsp/fortran/test_fortran_basic.py
+++ b/test/solidlsp/fortran/test_fortran_basic.py
@@ -41,12 +41,12 @@ class TestFortranLanguageServer:
     def test_request_document_symbols(self, language_server: SolidLanguageServer) -> None:
         """Test that document symbols can be retrieved from Fortran files."""
         # Test main.f90 - should have a program symbol
-        main_symbols, _ = language_server.request_document_symbols("main.f90")
+        main_symbols, _ = language_server.request_document_symbols("main.f90").get_all_symbols_and_roots()
         program_names = [s.get("name") for s in main_symbols]
         assert "test_program" in program_names, f"Program 'test_program' not found in main.f90. Found: {program_names}"
 
         # Test modules/math_utils.f90 - should have module and function symbols
-        module_symbols, _ = language_server.request_document_symbols("modules/math_utils.f90")
+        module_symbols, _ = language_server.request_document_symbols("modules/math_utils.f90").get_all_symbols_and_roots()
         all_names = [s.get("name") for s in module_symbols]
         assert "math_utils" in all_names, f"Module 'math_utils' not found. Found: {all_names}"
         assert "add_numbers" in all_names, f"Function 'add_numbers' not found. Found: {all_names}"
@@ -60,7 +60,7 @@ class TestFortranLanguageServer:
         This tests the LSP textDocument/references capability.
         """
         file_path = "modules/math_utils.f90"
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         # Find the add_numbers function
         add_numbers_symbol = None
@@ -125,7 +125,7 @@ class TestFortranLanguageServer:
         """
         # Get the add_numbers function symbol from math_utils.f90
         file_path = "modules/math_utils.f90"
-        symbols, _ = language_server.request_document_symbols(file_path)
+        symbols, _ = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         # Find the add_numbers function
         add_numbers_symbol = None
@@ -230,7 +230,7 @@ class TestFortranLanguageServer:
         fortls returns these as SymbolKind.Class (11) for types and SymbolKind.Interface (5) for interfaces.
         """
         file_path = "modules/geometry.f90"
-        symbols, _ = language_server.request_document_symbols(file_path)
+        symbols, _ = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         # Find type and interface symbols
         type_names = []
diff --git a/test/solidlsp/go/test_go_basic.py b/test/solidlsp/go/test_go_basic.py
index 56323157..eac511e9 100644
--- a/test/solidlsp/go/test_go_basic.py
+++ b/test/solidlsp/go/test_go_basic.py
@@ -19,7 +19,7 @@ class TestGoLanguageServer:
     @pytest.mark.parametrize("language_server", [Language.GO], indirect=True)
     def test_find_referencing_symbols(self, language_server: SolidLanguageServer) -> None:
         file_path = os.path.join("main.go")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         helper_symbol = None
         for sym in symbols[0]:
             if sym.get("name") == "Helper":
diff --git a/test/solidlsp/haskell/test_haskell_basic.py b/test/solidlsp/haskell/test_haskell_basic.py
index 062cc9ea..97820643 100644
--- a/test/solidlsp/haskell/test_haskell_basic.py
+++ b/test/solidlsp/haskell/test_haskell_basic.py
@@ -34,7 +34,7 @@ class TestHaskellLanguageServer:
         - All exported functions with correct names
         - Module structure
         """
-        all_symbols, _ = language_server.request_document_symbols("src/Calculator.hs")
+        all_symbols, _ = language_server.request_document_symbols("src/Calculator.hs").get_all_symbols_and_roots()
         symbol_names = {s["name"] for s in all_symbols}
 
         # Verify exact set of expected top-level symbols
@@ -71,7 +71,7 @@ class TestHaskellLanguageServer:
         Verifies Serena identifies all helper functions that are imported
         and used by Calculator module.
         """
-        all_symbols, _ = language_server.request_document_symbols("src/Helper.hs")
+        all_symbols, _ = language_server.request_document_symbols("src/Helper.hs").get_all_symbols_and_roots()
         symbol_names = {s["name"] for s in all_symbols}
 
         # Verify expected helper functions (module name may also appear)
@@ -97,7 +97,7 @@ class TestHaskellLanguageServer:
 
         Verifies Serena can identify cross-module dependencies.
         """
-        all_symbols, _ = language_server.request_document_symbols("app/Main.hs")
+        all_symbols, _ = language_server.request_document_symbols("app/Main.hs").get_all_symbols_and_roots()
         symbol_names = {s["name"] for s in all_symbols}
 
         # Main.hs should have the main function
diff --git a/test/solidlsp/java/test_java_basic.py b/test/solidlsp/java/test_java_basic.py
index d74a9fea..0b081695 100644
--- a/test/solidlsp/java/test_java_basic.py
+++ b/test/solidlsp/java/test_java_basic.py
@@ -25,7 +25,7 @@ class TestJavaLanguageServer:
 
         # Dynamically determine the correct line/column for the 'Model' class name
         file_path = os.path.join("src", "main", "java", "test_repo", "Model.java")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         model_symbol = None
         for sym in symbols[0]:
             if sym.get("name") == "Model" and sym.get("kind") == 5:  # 5 = Class
diff --git a/test/solidlsp/julia/test_julia_basic.py b/test/solidlsp/julia/test_julia_basic.py
index e411f3d8..99bf720c 100644
--- a/test/solidlsp/julia/test_julia_basic.py
+++ b/test/solidlsp/julia/test_julia_basic.py
@@ -11,7 +11,7 @@ class TestJuliaLanguageServer:
         """
         Test if we can find the top-level symbols in the main.jl file.
         """
-        all_symbols, _ = language_server.request_document_symbols("main.jl")
+        all_symbols, _ = language_server.request_document_symbols("main.jl").get_all_symbols_and_roots()
         symbol_names = {s["name"] for s in all_symbols}
         assert "calculate_sum" in symbol_names
         assert "main" in symbol_names
diff --git a/test/solidlsp/kotlin/test_kotlin_basic.py b/test/solidlsp/kotlin/test_kotlin_basic.py
index 6c421ab4..c3e209e0 100644
--- a/test/solidlsp/kotlin/test_kotlin_basic.py
+++ b/test/solidlsp/kotlin/test_kotlin_basic.py
@@ -25,7 +25,7 @@ class TestKotlinLanguageServer:
 
         # Dynamically determine the correct line/column for the 'Model' class name
         file_path = os.path.join("src", "main", "kotlin", "test_repo", "Model.kt")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         model_symbol = None
         for sym in symbols[0]:
             print(sym)
diff --git a/test/solidlsp/lua/test_lua_basic.py b/test/solidlsp/lua/test_lua_basic.py
index 66fa2074..4d4849cf 100644
--- a/test/solidlsp/lua/test_lua_basic.py
+++ b/test/solidlsp/lua/test_lua_basic.py
@@ -19,7 +19,7 @@ class TestLuaLanguageServer:
     @pytest.mark.parametrize("language_server", [Language.LUA], indirect=True)
     def test_find_symbols_in_calculator(self, language_server: SolidLanguageServer) -> None:
         """Test finding specific functions in calculator.lua."""
-        symbols = language_server.request_document_symbols("src/calculator.lua")
+        symbols = language_server.request_document_symbols("src/calculator.lua").get_all_symbols_and_roots()
 
         assert symbols is not None
         assert len(symbols) > 0
@@ -49,7 +49,7 @@ class TestLuaLanguageServer:
     @pytest.mark.parametrize("language_server", [Language.LUA], indirect=True)
     def test_find_symbols_in_utils(self, language_server: SolidLanguageServer) -> None:
         """Test finding specific functions in utils.lua."""
-        symbols = language_server.request_document_symbols("src/utils.lua")
+        symbols = language_server.request_document_symbols("src/utils.lua").get_all_symbols_and_roots()
 
         assert symbols is not None
         assert len(symbols) > 0
@@ -84,7 +84,7 @@ class TestLuaLanguageServer:
     @pytest.mark.parametrize("language_server", [Language.LUA], indirect=True)
     def test_find_symbols_in_main(self, language_server: SolidLanguageServer) -> None:
         """Test finding functions in main.lua."""
-        symbols = language_server.request_document_symbols("main.lua")
+        symbols = language_server.request_document_symbols("main.lua").get_all_symbols_and_roots()
 
         assert symbols is not None
         assert len(symbols) > 0
@@ -107,7 +107,7 @@ class TestLuaLanguageServer:
     @pytest.mark.parametrize("language_server", [Language.LUA], indirect=True)
     def test_cross_file_references_calculator_add(self, language_server: SolidLanguageServer) -> None:
         """Test finding cross-file references to calculator.add function."""
-        symbols = language_server.request_document_symbols("src/calculator.lua")
+        symbols = language_server.request_document_symbols("src/calculator.lua").get_all_symbols_and_roots()
 
         assert symbols is not None
         symbol_list = symbols[0] if isinstance(symbols, tuple) else symbols
@@ -163,7 +163,7 @@ class TestLuaLanguageServer:
     @pytest.mark.parametrize("language_server", [Language.LUA], indirect=True)
     def test_cross_file_references_utils_trim(self, language_server: SolidLanguageServer) -> None:
         """Test finding cross-file references to utils.trim function."""
-        symbols = language_server.request_document_symbols("src/utils.lua")
+        symbols = language_server.request_document_symbols("src/utils.lua").get_all_symbols_and_roots()
 
         assert symbols is not None
         symbol_list = symbols[0] if isinstance(symbols, tuple) else symbols
@@ -245,7 +245,7 @@ class TestLuaLanguageServer:
     def test_references_between_test_and_source(self, language_server: SolidLanguageServer) -> None:
         """Test finding references from test files to source files."""
         # Check if test_calculator.lua references calculator module
-        test_symbols = language_server.request_document_symbols("tests/test_calculator.lua")
+        test_symbols = language_server.request_document_symbols("tests/test_calculator.lua").get_all_symbols_and_roots()
 
         assert test_symbols is not None
         assert len(test_symbols) > 0
diff --git a/test/solidlsp/markdown/test_markdown_basic.py b/test/solidlsp/markdown/test_markdown_basic.py
index 2f472638..81a988c0 100644
--- a/test/solidlsp/markdown/test_markdown_basic.py
+++ b/test/solidlsp/markdown/test_markdown_basic.py
@@ -25,7 +25,7 @@ class TestMarkdownLanguageServerBasics:
     def test_markdown_request_document_symbols(self, language_server: SolidLanguageServer) -> None:
         """Test request_document_symbols for markdown files."""
         # Test getting symbols from README.md
-        all_symbols, _root_symbols = language_server.request_document_symbols("README.md", include_body=False)
+        all_symbols, _root_symbols = language_server.request_document_symbols("README.md").get_all_symbols_and_roots()
 
         # Extract heading symbols (LSP Symbol Kind 15 is String, but marksman uses kind 15 for headings)
         # Note: Different markdown LSPs may use different symbol kinds for headings
@@ -38,7 +38,7 @@ class TestMarkdownLanguageServerBasics:
     @pytest.mark.parametrize("language_server", [Language.MARKDOWN], indirect=True)
     def test_markdown_request_symbols_from_guide(self, language_server: SolidLanguageServer) -> None:
         """Test symbol detection in guide.md file."""
-        all_symbols, _root_symbols = language_server.request_document_symbols("guide.md", include_body=False)
+        all_symbols, _root_symbols = language_server.request_document_symbols("guide.md").get_all_symbols_and_roots()
 
         # At least some headings should be found
         assert len(all_symbols) > 0, f"Should find headings in guide.md, found {len(all_symbols)}"
@@ -46,7 +46,7 @@ class TestMarkdownLanguageServerBasics:
     @pytest.mark.parametrize("language_server", [Language.MARKDOWN], indirect=True)
     def test_markdown_request_symbols_from_api(self, language_server: SolidLanguageServer) -> None:
         """Test symbol detection in api.md file."""
-        all_symbols, _root_symbols = language_server.request_document_symbols("api.md", include_body=False)
+        all_symbols, _root_symbols = language_server.request_document_symbols("api.md").get_all_symbols_and_roots()
 
         # Should detect headings from api.md
         assert len(all_symbols) > 0, f"Should find headings in api.md, found {len(all_symbols)}"
@@ -55,7 +55,7 @@ class TestMarkdownLanguageServerBasics:
     def test_markdown_request_document_symbols_with_body(self, language_server: SolidLanguageServer) -> None:
         """Test request_document_symbols with body extraction."""
         # Test with include_body=True
-        all_symbols, _root_symbols = language_server.request_document_symbols("README.md", include_body=True)
+        all_symbols, _root_symbols = language_server.request_document_symbols("README.md").get_all_symbols_and_roots()
 
         # Should have found some symbols
         assert len(all_symbols) > 0, "Should find symbols in README.md"
diff --git a/test/solidlsp/nix/test_nix_basic.py b/test/solidlsp/nix/test_nix_basic.py
index 81a68669..d118904f 100644
--- a/test/solidlsp/nix/test_nix_basic.py
+++ b/test/solidlsp/nix/test_nix_basic.py
@@ -22,7 +22,7 @@ class TestNixLanguageServer:
     @pytest.mark.parametrize("language_server", [Language.NIX], indirect=True)
     def test_find_symbols_in_default_nix(self, language_server: SolidLanguageServer) -> None:
         """Test finding specific symbols in default.nix."""
-        symbols = language_server.request_document_symbols("default.nix")
+        symbols = language_server.request_document_symbols("default.nix").get_all_symbols_and_roots()
 
         assert symbols is not None
         assert len(symbols) > 0
@@ -42,7 +42,7 @@ class TestNixLanguageServer:
     @pytest.mark.parametrize("language_server", [Language.NIX], indirect=True)
     def test_find_symbols_in_utils(self, language_server: SolidLanguageServer) -> None:
         """Test finding symbols in lib/utils.nix."""
-        symbols = language_server.request_document_symbols("lib/utils.nix")
+        symbols = language_server.request_document_symbols("lib/utils.nix").get_all_symbols_and_roots()
 
         assert symbols is not None
         assert len(symbols) > 0
@@ -58,7 +58,7 @@ class TestNixLanguageServer:
     @pytest.mark.parametrize("language_server", [Language.NIX], indirect=True)
     def test_find_symbols_in_flake(self, language_server: SolidLanguageServer) -> None:
         """Test finding symbols in flake.nix."""
-        symbols = language_server.request_document_symbols("flake.nix")
+        symbols = language_server.request_document_symbols("flake.nix").get_all_symbols_and_roots()
 
         assert symbols is not None
         assert len(symbols) > 0
@@ -72,7 +72,7 @@ class TestNixLanguageServer:
     @pytest.mark.parametrize("language_server", [Language.NIX], indirect=True)
     def test_find_symbols_in_module(self, language_server: SolidLanguageServer) -> None:
         """Test finding symbols in a NixOS module."""
-        symbols = language_server.request_document_symbols("modules/example.nix")
+        symbols = language_server.request_document_symbols("modules/example.nix").get_all_symbols_and_roots()
 
         assert symbols is not None
         assert len(symbols) > 0
@@ -86,7 +86,7 @@ class TestNixLanguageServer:
     @pytest.mark.parametrize("language_server", [Language.NIX], indirect=True)
     def test_find_references_within_file(self, language_server: SolidLanguageServer) -> None:
         """Test finding references within the same file."""
-        symbols = language_server.request_document_symbols("default.nix")
+        symbols = language_server.request_document_symbols("default.nix").get_all_symbols_and_roots()
 
         assert symbols is not None
         symbol_list = symbols[0] if isinstance(symbols, tuple) else symbols
@@ -154,7 +154,7 @@ class TestNixLanguageServer:
     def test_verify_imports_exist(self, language_server: SolidLanguageServer) -> None:
         """Verify that our test files have proper imports set up."""
         # Verify that default.nix imports utils from lib/utils.nix
-        symbols = language_server.request_document_symbols("default.nix")
+        symbols = language_server.request_document_symbols("default.nix").get_all_symbols_and_roots()
 
         assert symbols is not None
         symbol_list = symbols[0] if isinstance(symbols, tuple) else symbols
@@ -164,7 +164,7 @@ class TestNixLanguageServer:
         assert "makeGreeting" in symbol_names, "makeGreeting should be found in default.nix"
 
         # Verify lib/utils.nix has the expected structure
-        utils_symbols = language_server.request_document_symbols("lib/utils.nix")
+        utils_symbols = language_server.request_document_symbols("lib/utils.nix").get_all_symbols_and_roots()
         assert utils_symbols is not None
         utils_list = utils_symbols[0] if isinstance(utils_symbols, tuple) else utils_symbols
         utils_names = {sym.get("name") for sym in utils_list if isinstance(sym, dict)}
diff --git a/test/solidlsp/perl/test_perl_basic.py b/test/solidlsp/perl/test_perl_basic.py
index b7b936fb..59dbcc5f 100644
--- a/test/solidlsp/perl/test_perl_basic.py
+++ b/test/solidlsp/perl/test_perl_basic.py
@@ -31,7 +31,7 @@ class TestPerlLanguageServer:
     def test_document_symbols(self, language_server: SolidLanguageServer) -> None:
         """Test that document symbols are correctly identified."""
         # Request document symbols
-        all_symbols, _ = language_server.request_document_symbols("main.pl", include_body=False)
+        all_symbols, _ = language_server.request_document_symbols("main.pl").get_all_symbols_and_roots()
 
         assert all_symbols, "Expected to find symbols in main.pl"
         assert len(all_symbols) > 0, "Expected at least one symbol"
diff --git a/test/solidlsp/python/test_python_basic.py b/test/solidlsp/python/test_python_basic.py
index dbfd8ce4..8dafc964 100644
--- a/test/solidlsp/python/test_python_basic.py
+++ b/test/solidlsp/python/test_python_basic.py
@@ -26,7 +26,7 @@ class TestLanguageServerBasics:
         file_path = os.path.join("test_repo", "models.py")
         # Line 31 contains the User class definition
         # Use selectionRange only
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         user_symbol = next((s for s in symbols[0] if s.get("name") == "User"), None)
         if not user_symbol or "selectionRange" not in user_symbol:
             raise AssertionError("User symbol or its selectionRange not found")
@@ -41,7 +41,7 @@ class TestLanguageServerBasics:
         file_path = os.path.join("test_repo", "models.py")
         # Line 56 contains the Item class definition
         # Use selectionRange only
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         item_symbol = next((s for s in symbols[0] if s.get("name") == "Item"), None)
         if not item_symbol or "selectionRange" not in item_symbol:
             raise AssertionError("Item symbol or its selectionRange not found")
@@ -57,7 +57,7 @@ class TestLanguageServerBasics:
         file_path = os.path.join("test_repo", "services.py")
         # Line 24 contains the get_user method with id parameter
         # Use selectionRange only
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         get_user_symbol = next((s for s in symbols[0] if s.get("name") == "get_user"), None)
         if not get_user_symbol or "selectionRange" not in get_user_symbol:
             raise AssertionError("get_user symbol or its selectionRange not found")
@@ -71,7 +71,7 @@ class TestLanguageServerBasics:
         file_path = os.path.join("test_repo", "services.py")
         # Line 15 contains the create_user method definition
         # Use selectionRange only
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         create_user_symbol = next((s for s in symbols[0] if s.get("name") == "create_user"), None)
         if not create_user_symbol or "selectionRange" not in create_user_symbol:
             raise AssertionError("create_user symbol or its selectionRange not found")
diff --git a/test/solidlsp/python/test_symbol_retrieval.py b/test/solidlsp/python/test_symbol_retrieval.py
index 931cb20e..6875bc89 100644
--- a/test/solidlsp/python/test_symbol_retrieval.py
+++ b/test/solidlsp/python/test_symbol_retrieval.py
@@ -107,7 +107,7 @@ class TestLanguageServerSymbols:
         # Test referencing symbols for create_user function
         file_path = os.path.join("test_repo", "services.py")
         # Line 15 contains the create_user function definition
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         create_user_symbol = next((s for s in symbols[0] if s.get("name") == "create_user"), None)
         if not create_user_symbol or "selectionRange" not in create_user_symbol:
             raise AssertionError("create_user symbol or its selectionRange not found")
@@ -131,7 +131,7 @@ class TestLanguageServerSymbols:
         # Test referencing symbols for User class
         file_path = os.path.join("test_repo", "models.py")
         # Line 31 contains the User class definition
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         user_symbol = next((s for s in symbols[0] if s.get("name") == "User"), None)
         if not user_symbol or "selectionRange" not in user_symbol:
             raise AssertionError("User symbol or its selectionRange not found")
@@ -152,7 +152,7 @@ class TestLanguageServerSymbols:
         # Test referencing symbols for id parameter in get_user
         file_path = os.path.join("test_repo", "services.py")
         # Line 24 contains the get_user method with id parameter
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         get_user_symbol = next((s for s in symbols[0] if s.get("name") == "get_user"), None)
         if not get_user_symbol or "selectionRange" not in get_user_symbol:
             raise AssertionError("get_user symbol or its selectionRange not found")
@@ -390,7 +390,9 @@ class TestLanguageServerSymbols:
         if "location" in user_management_node and "relativePath" in user_management_node["location"]:
             user_management_rel_path = user_management_node["location"]["relativePath"]
             assert user_management_rel_path == os.path.join("examples", "user_management.py")
-            _, user_management_roots = language_server.request_document_symbols(os.path.join("examples", "user_management.py"))
+            _, user_management_roots = language_server.request_document_symbols(
+                os.path.join("examples", "user_management.py")
+            ).get_all_symbols_and_roots()
             assert user_management_roots == user_management_node["children"]
 
     @pytest.mark.parametrize("language_server", [Language.PYTHON], indirect=True)
@@ -411,7 +413,9 @@ class TestLanguageServerSymbols:
         if "location" in user_management_node and "relativePath" in user_management_node["location"]:
             user_management_rel_path = user_management_node["location"]["relativePath"]
             assert user_management_rel_path == os.path.join("examples", "user_management.py")
-            _, user_management_roots = language_server.request_document_symbols(os.path.join("examples", "user_management.py"))
+            _, user_management_roots = language_server.request_document_symbols(
+                os.path.join("examples", "user_management.py")
+            ).get_all_symbols_and_roots()
             assert user_management_roots == user_management_node["children"]
 
     @pytest.mark.parametrize("language_server", [Language.PYTHON], indirect=True)
diff --git a/test/solidlsp/r/test_r_basic.py b/test/solidlsp/r/test_r_basic.py
index fc01d58c..3ce63a0b 100644
--- a/test/solidlsp/r/test_r_basic.py
+++ b/test/solidlsp/r/test_r_basic.py
@@ -27,7 +27,7 @@ class TestRLanguageServer:
     @pytest.mark.parametrize("language_server", [Language.R], indirect=True)
     def test_symbol_retrieval(self, language_server: SolidLanguageServer):
         """Test R document symbol extraction."""
-        all_symbols, _root_symbols = language_server.request_document_symbols(os.path.join("R", "utils.R"))
+        all_symbols, _root_symbols = language_server.request_document_symbols(os.path.join("R", "utils.R")).get_all_symbols_and_roots()
 
         # Should find the three exported functions
         function_symbols = [s for s in all_symbols if s.get("kind") == 12]  # Function kind
diff --git a/test/solidlsp/rego/test_rego_basic.py b/test/solidlsp/rego/test_rego_basic.py
index 814562dc..e4185e85 100644
--- a/test/solidlsp/rego/test_rego_basic.py
+++ b/test/solidlsp/rego/test_rego_basic.py
@@ -21,7 +21,7 @@ class TestRegoLanguageServer:
     def test_request_document_symbols_authz(self, language_server: SolidLanguageServer) -> None:
         """Test that document symbols can be retrieved from authz.rego."""
         file_path = os.path.join("policies", "authz.rego")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         assert symbols is not None
         assert len(symbols) > 0
@@ -40,7 +40,7 @@ class TestRegoLanguageServer:
     def test_request_document_symbols_helpers(self, language_server: SolidLanguageServer) -> None:
         """Test that document symbols can be retrieved from helpers.rego."""
         file_path = os.path.join("utils", "helpers.rego")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         assert symbols is not None
         assert len(symbols) > 0
@@ -71,7 +71,7 @@ class TestRegoLanguageServer:
         file_path = os.path.join("policies", "authz.rego")
 
         # Get document symbols
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         symbol_list = symbols[0] if isinstance(symbols, tuple) else symbols
 
         # Find the is_admin symbol which references admin_roles
@@ -98,7 +98,7 @@ class TestRegoLanguageServer:
         file_path = os.path.join("policies", "authz.rego")
 
         # Get document symbols
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         symbol_list = symbols[0] if isinstance(symbols, tuple) else symbols
 
         # Find the allow symbol
@@ -123,7 +123,7 @@ class TestRegoLanguageServer:
     def test_find_symbols_validation(self, language_server: SolidLanguageServer) -> None:
         """Test finding symbols in validation.rego which has imports."""
         file_path = os.path.join("policies", "validation.rego")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         assert symbols is not None
         assert len(symbols) > 0
diff --git a/test/solidlsp/ruby/test_ruby_basic.py b/test/solidlsp/ruby/test_ruby_basic.py
index 2edf95f2..b7a4cf75 100644
--- a/test/solidlsp/ruby/test_ruby_basic.py
+++ b/test/solidlsp/ruby/test_ruby_basic.py
@@ -20,7 +20,7 @@ class TestRubyLanguageServer:
     @pytest.mark.parametrize("language_server", [Language.RUBY], indirect=True)
     def test_find_referencing_symbols(self, language_server: SolidLanguageServer) -> None:
         file_path = os.path.join("main.rb")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         helper_symbol = None
         for sym in symbols[0]:
             if sym.get("name") == "helper_function":
diff --git a/test/solidlsp/ruby/test_ruby_symbol_retrieval.py b/test/solidlsp/ruby/test_ruby_symbol_retrieval.py
index 9ac4133e..ae089830 100644
--- a/test/solidlsp/ruby/test_ruby_symbol_retrieval.py
+++ b/test/solidlsp/ruby/test_ruby_symbol_retrieval.py
@@ -89,7 +89,7 @@ class TestRubyLanguageServerSymbols:
         """Test request_containing_symbol for a module context."""
         # Test that we can find the Services module in document symbols
         file_path = os.path.join("services.rb")
-        symbols, _roots = language_server.request_document_symbols(file_path)
+        symbols, _roots = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         # Verify Services module appears in document symbols
         services_module = None
@@ -141,7 +141,7 @@ class TestRubyLanguageServerSymbols:
         # Test referencing symbols for create_user method
         file_path = os.path.join("services.rb")
         # Line containing the create_user method definition
-        symbols, _roots = language_server.request_document_symbols(file_path)
+        symbols, _roots = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         create_user_symbol = None
 
         # Find create_user method in the document symbols (Ruby returns flat list)
@@ -169,7 +169,7 @@ class TestRubyLanguageServerSymbols:
         # Test referencing symbols for User class
         file_path = os.path.join("models.rb")
         # Find User class in document symbols
-        symbols, _roots = language_server.request_document_symbols(file_path)
+        symbols, _roots = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         user_symbol = None
 
         for symbol in symbols:
@@ -285,7 +285,7 @@ class TestRubyLanguageServerSymbols:
     def test_document_symbols_detailed(self, language_server: SolidLanguageServer) -> None:
         """Test document symbols for detailed Ruby file structure."""
         file_path = os.path.join("models.rb")
-        symbols, roots = language_server.request_document_symbols(file_path)
+        symbols, roots = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         # Verify we have symbols
         assert len(symbols) > 0 or len(roots) > 0
@@ -310,7 +310,7 @@ class TestRubyLanguageServerSymbols:
     def test_module_and_class_hierarchy(self, language_server: SolidLanguageServer) -> None:
         """Test symbol detection for modules and nested class hierarchies."""
         file_path = os.path.join("nested.rb")
-        symbols, roots = language_server.request_document_symbols(file_path)
+        symbols, roots = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         # Verify we can detect the nested structure
         assert len(symbols) > 0 or len(roots) > 0
@@ -363,7 +363,7 @@ class TestRubyLanguageServerSymbols:
         # Test referencing symbols for a method parameter in get_user method
         file_path = os.path.join("services.rb")
         # Find get_user method and test parameter references
-        symbols, _roots = language_server.request_document_symbols(file_path)
+        symbols, _roots = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         get_user_symbol = None
 
         for symbol in symbols:
diff --git a/test/solidlsp/rust/test_rust_2024_edition.py b/test/solidlsp/rust/test_rust_2024_edition.py
index e73c8d6d..1facfd28 100644
--- a/test/solidlsp/rust/test_rust_2024_edition.py
+++ b/test/solidlsp/rust/test_rust_2024_edition.py
@@ -31,7 +31,7 @@ class TestRust2024EditionLanguageServer:
     def test_find_references_raw(self) -> None:
         # Test finding references to the 'add' function defined in main.rs
         file_path = os.path.join("src", "main.rs")
-        symbols = self.language_server.request_document_symbols(file_path)
+        symbols = self.language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         add_symbol = None
         for sym in symbols[0]:
             if sym.get("name") == "add":
@@ -53,7 +53,7 @@ class TestRust2024EditionLanguageServer:
     def test_find_referencing_symbols_multiply(self) -> None:
         # Find references to 'multiply' function defined in lib.rs
         file_path = os.path.join("src", "lib.rs")
-        symbols = self.language_server.request_document_symbols(file_path)
+        symbols = self.language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         multiply_symbol = None
         for sym in symbols[0]:
             if sym.get("name") == "multiply":
@@ -69,7 +69,7 @@ class TestRust2024EditionLanguageServer:
     def test_find_calculator_struct_and_impl(self) -> None:
         # Test finding the Calculator struct and its impl block
         file_path = os.path.join("src", "lib.rs")
-        symbols = self.language_server.request_document_symbols(file_path)
+        symbols = self.language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         # Find the Calculator struct
         calculator_struct = None
diff --git a/test/solidlsp/rust/test_rust_basic.py b/test/solidlsp/rust/test_rust_basic.py
index d0576de2..c827d4b2 100644
--- a/test/solidlsp/rust/test_rust_basic.py
+++ b/test/solidlsp/rust/test_rust_basic.py
@@ -13,7 +13,7 @@ class TestRustLanguageServer:
     def test_find_references_raw(self, language_server: SolidLanguageServer) -> None:
         # Directly test the request_references method for the add function
         file_path = os.path.join("src", "lib.rs")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         add_symbol = None
         for sym in symbols[0]:
             if sym.get("name") == "add":
@@ -37,7 +37,7 @@ class TestRustLanguageServer:
     def test_find_referencing_symbols(self, language_server: SolidLanguageServer) -> None:
         # Find references to 'add' defined in lib.rs, should be referenced from main.rs
         file_path = os.path.join("src", "lib.rs")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         add_symbol = None
         for sym in symbols[0]:
             if sym.get("name") == "add":
diff --git a/test/solidlsp/scala/test_scala_language_server.py b/test/solidlsp/scala/test_scala_language_server.py
index 2b7f4bea..f22e2e96 100644
--- a/test/solidlsp/scala/test_scala_language_server.py
+++ b/test/solidlsp/scala/test_scala_language_server.py
@@ -29,7 +29,7 @@ def scala_ls():
 
 def test_scala_document_symbols(scala_ls):
     """Test document symbols for Main.scala"""
-    symbols, _ = scala_ls.request_document_symbols(MAIN_FILE_PATH)
+    symbols, _ = scala_ls.request_document_symbols(MAIN_FILE_PATH).get_all_symbols_and_roots()
     symbol_names = [s["name"] for s in symbols]
     assert symbol_names[0] == "com.example"
     assert symbol_names[1] == "Main"
diff --git a/test/solidlsp/swift/test_swift_basic.py b/test/solidlsp/swift/test_swift_basic.py
index 67dfe686..5cd5616c 100644
--- a/test/solidlsp/swift/test_swift_basic.py
+++ b/test/solidlsp/swift/test_swift_basic.py
@@ -88,7 +88,7 @@ class TestSwiftLanguageServerBasics:
 
         # First, let's check if Utils is used anywhere (it might not be in this simple test)
         # We'll test goto_definition on Utils struct itself
-        symbols = language_server.request_document_symbols(utils_file)
+        symbols = language_server.request_document_symbols(utils_file).get_all_symbols_and_roots()
         utils_symbol = next((s for s in symbols[0] if s.get("name") == "Utils"), None)
 
         sel_start = utils_symbol["selectionRange"]["start"]
@@ -104,7 +104,7 @@ class TestSwiftLanguageServerBasics:
         """Test request_references on the Calculator class."""
         # Get references to the Calculator class in main.swift
         file_path = os.path.join("src", "main.swift")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         calculator_symbol = next((s for s in symbols[0] if s.get("name") == "Calculator"), None)
 
@@ -126,7 +126,7 @@ class TestSwiftLanguageServerBasics:
         """Test request_references on the User struct."""
         # Get references to the User struct in main.swift
         file_path = os.path.join("src", "main.swift")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         user_symbol = next((s for s in symbols[0] if s.get("name") == "User"), None)
 
@@ -147,7 +147,7 @@ class TestSwiftLanguageServerBasics:
         """Test request_references on the Utils struct."""
         # Get references to the Utils struct in utils.swift
         file_path = os.path.join("src", "utils.swift")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         utils_symbol = next((s for s in symbols[0] if s.get("name") == "Utils"), None)
         if not utils_symbol or "selectionRange" not in utils_symbol:
             raise AssertionError("Utils symbol or its selectionRange not found")
diff --git a/test/solidlsp/terraform/test_terraform_basic.py b/test/solidlsp/terraform/test_terraform_basic.py
index ff20ac66..d608e4e5 100644
--- a/test/solidlsp/terraform/test_terraform_basic.py
+++ b/test/solidlsp/terraform/test_terraform_basic.py
@@ -21,7 +21,7 @@ class TestLanguageServerBasics:
         # Simple test to verify the language server is working
         file_path = "main.tf"
         # Just try to get document symbols - this should work without hanging
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         assert len(symbols) > 0, "Should find at least some symbols in main.tf"
 
     @pytest.mark.parametrize("language_server", [Language.TERRAFORM], indirect=True)
@@ -30,7 +30,7 @@ class TestLanguageServerBasics:
         # Get references to an aws_instance resource in main.tf
         file_path = "main.tf"
         # Find aws_instance resources
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         aws_instance_symbol = next((s for s in symbols[0] if s.get("name") == 'resource "aws_instance" "web_server"'), None)
         if not aws_instance_symbol or "selectionRange" not in aws_instance_symbol:
             raise AssertionError("aws_instance symbol or its selectionRange not found")
@@ -44,7 +44,7 @@ class TestLanguageServerBasics:
         # Get references to a variable in variables.tf
         file_path = "variables.tf"
         # Find variable definitions
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         var_symbol = next((s for s in symbols[0] if s.get("name") == 'variable "instance_type"'), None)
         if not var_symbol or "selectionRange" not in var_symbol:
             raise AssertionError("variable symbol or its selectionRange not found")
diff --git a/test/solidlsp/typescript/test_typescript_basic.py b/test/solidlsp/typescript/test_typescript_basic.py
index 1410c5c4..9570bdc2 100644
--- a/test/solidlsp/typescript/test_typescript_basic.py
+++ b/test/solidlsp/typescript/test_typescript_basic.py
@@ -19,7 +19,7 @@ class TestTypescriptLanguageServer:
     @pytest.mark.parametrize("language_server", [Language.TYPESCRIPT], indirect=True)
     def test_find_referencing_symbols(self, language_server: SolidLanguageServer) -> None:
         file_path = os.path.join("index.ts")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         helper_symbol = None
         for sym in symbols[0]:
             if sym.get("name") == "helperFunction":
diff --git a/test/solidlsp/zig/test_zig_basic.py b/test/solidlsp/zig/test_zig_basic.py
index 80f8fcc1..3753621f 100644
--- a/test/solidlsp/zig/test_zig_basic.py
+++ b/test/solidlsp/zig/test_zig_basic.py
@@ -30,7 +30,7 @@ class TestZigLanguageServer:
     def test_find_symbols_in_main(self, language_server: SolidLanguageServer) -> None:
         """Test finding specific symbols in main.zig."""
         file_path = os.path.join("src", "main.zig")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         assert symbols is not None
         assert len(symbols) > 0
@@ -47,7 +47,7 @@ class TestZigLanguageServer:
     def test_find_symbols_in_calculator(self, language_server: SolidLanguageServer) -> None:
         """Test finding Calculator struct and its methods."""
         file_path = os.path.join("src", "calculator.zig")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         assert symbols is not None
         assert len(symbols) > 0
@@ -90,7 +90,7 @@ class TestZigLanguageServer:
     def test_find_symbols_in_math_utils(self, language_server: SolidLanguageServer) -> None:
         """Test finding functions in math_utils.zig."""
         file_path = os.path.join("src", "math_utils.zig")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         assert symbols is not None
         assert len(symbols) > 0
@@ -106,7 +106,7 @@ class TestZigLanguageServer:
     def test_find_references_within_file(self, language_server: SolidLanguageServer) -> None:
         """Test finding references within the same file."""
         file_path = os.path.join("src", "calculator.zig")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
 
         symbol_list = symbols[0] if isinstance(symbols, tuple) else symbols
 
@@ -163,7 +163,7 @@ class TestZigLanguageServer:
                     time.sleep(1)
 
                     # Find Calculator struct
-                    symbols = language_server.request_document_symbols(os.path.join("src", "calculator.zig"))
+                    symbols = language_server.request_document_symbols(os.path.join("src", "calculator.zig")).get_all_symbols_and_roots()
                     symbol_list = symbols[0] if isinstance(symbols, tuple) else symbols
 
                     calculator_symbol = None
@@ -207,7 +207,7 @@ class TestZigLanguageServer:
         """
         # Find references to Calculator from calculator.zig
         file_path = os.path.join("src", "calculator.zig")
-        symbols = language_server.request_document_symbols(file_path)
+        symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()
         symbol_list = symbols[0] if isinstance(symbols, tuple) else symbols
 
         calculator_symbol = None
@@ -291,7 +291,7 @@ class TestZigLanguageServer:
     def test_verify_cross_file_imports(self, language_server: SolidLanguageServer) -> None:
         """Verify that our test files have proper cross-file imports."""
         # Verify main.zig imports
-        main_symbols = language_server.request_document_symbols(os.path.join("src", "main.zig"))
+        main_symbols = language_server.request_document_symbols(os.path.join("src", "main.zig")).get_all_symbols_and_roots()
         assert main_symbols is not None
         main_list = main_symbols[0] if isinstance(main_symbols, tuple) else main_symbols
         main_names = {sym.get("name") for sym in main_list if isinstance(sym, dict)}
@@ -301,14 +301,14 @@ class TestZigLanguageServer:
         assert "greeting" in main_names, "greeting function should be in main.zig"
 
         # Verify calculator.zig exports Calculator
-        calc_symbols = language_server.request_document_symbols(os.path.join("src", "calculator.zig"))
+        calc_symbols = language_server.request_document_symbols(os.path.join("src", "calculator.zig")).get_all_symbols_and_roots()
         assert calc_symbols is not None
         calc_list = calc_symbols[0] if isinstance(calc_symbols, tuple) else calc_symbols
         calc_names = {sym.get("name") for sym in calc_list if isinstance(sym, dict)}
         assert "Calculator" in calc_names, "Calculator struct should be in calculator.zig"
 
         # Verify math_utils.zig exports functions
-        math_symbols = language_server.request_document_symbols(os.path.join("src", "math_utils.zig"))
+        math_symbols = language_server.request_document_symbols(os.path.join("src", "math_utils.zig")).get_all_symbols_and_roots()
         assert math_symbols is not None
         math_list = math_symbols[0] if isinstance(math_symbols, tuple) else math_symbols
         math_names = {sym.get("name") for sym in math_list if isinstance(sym, dict)}
diff --git a/uv.lock b/uv.lock
index 7e0d86d1..538dfd92 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1,5 +1,5 @@
 version = 1
-revision = 3
+revision = 2
 requires-python = "==3.11.*"
 
 [[package]]
@@ -1524,6 +1524,22 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/c7/21/705964c7812476f378728bdf590ca4b771ec72385c533964653c68e86bdc/pygments-2.19.2-py3-none-any.whl", hash = "sha256:86540386c03d588bb81d44bc3928634ff26449851e99741617ecb9037ee5ec0b", size = 1225217, upload-time = "2025-06-21T13:39:07.939Z" },
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+
 [[package]]
 name = "pyright"
 version = "1.1.403"
@@ -1875,6 +1891,7 @@ dev = [
     { name = "mypy" },
     { name = "nbsphinx" },
     { name = "poethepoet" },
+    { name = "pyinstrument" },
     { name = "pytest" },
     { name = "pytest-xdist" },
     { name = "ruff" },
@@ -1912,6 +1929,7 @@ requires-dist = [
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     { name = "psutil", specifier = ">=7.0.0" },
     { name = "pydantic", specifier = ">=2.10.6" },
+    { name = "pyinstrument", marker = "extra == 'dev'" },
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     { name = "pytest", marker = "extra == 'dev'", specifier = ">=8.0.2" },
     { name = "pytest-xdist", marker = "extra == 'dev'", specifier = ">=3.5.0" },