[fixes #3014] Detecting whether inner classes are static wouldn't work if placed inside an enum or interface.

test/transform/resource/after-delombok/BuilderNestedInEnum.java

@@ -0,0 +1,70 @@
+class BuilderNestedInEnum {
+	public enum TestEnum {
+		FOO, BAR;
+		public static final class TestBuilder {
+			private final String field;
+			@java.lang.SuppressWarnings("all")
+			TestBuilder(final String field) {
+				this.field = field;
+			}
+			@java.lang.SuppressWarnings("all")
+			public static class TestBuilderBuilder {
+				@java.lang.SuppressWarnings("all")
+				private String field;
+				@java.lang.SuppressWarnings("all")
+				TestBuilderBuilder() {
+				}
+				/**
+				 * @return {@code this}.
+				 */
+				@java.lang.SuppressWarnings("all")
+				public BuilderNestedInEnum.TestEnum.TestBuilder.TestBuilderBuilder field(final String field) {
+					this.field = field;
+					return this;
+				}
+				@java.lang.SuppressWarnings("all")
+				public BuilderNestedInEnum.TestEnum.TestBuilder build() {
+					return new BuilderNestedInEnum.TestEnum.TestBuilder(this.field);
+				}
+				@java.lang.Override
+				@java.lang.SuppressWarnings("all")
+				public java.lang.String toString() {
+					return "BuilderNestedInEnum.TestEnum.TestBuilder.TestBuilderBuilder(field=" + this.field + ")";
+				}
+			}
+			@java.lang.SuppressWarnings("all")
+			public static BuilderNestedInEnum.TestEnum.TestBuilder.TestBuilderBuilder builder() {
+				return new BuilderNestedInEnum.TestEnum.TestBuilder.TestBuilderBuilder();
+			}
+			@java.lang.SuppressWarnings("all")
+			public String getField() {
+				return this.field;
+			}
+			@java.lang.Override
+			@java.lang.SuppressWarnings("all")
+			public boolean equals(final java.lang.Object o) {
+				if (o == this) return true;
+				if (!(o instanceof BuilderNestedInEnum.TestEnum.TestBuilder)) return false;
+				final BuilderNestedInEnum.TestEnum.TestBuilder other = (BuilderNestedInEnum.TestEnum.TestBuilder) o;
+				final java.lang.Object this$field = this.getField();
+				final java.lang.Object other$field = other.getField();
+				if (this$field == null ? other$field != null : !this$field.equals(other$field)) return false;
+				return true;
+			}
+			@java.lang.Override
+			@java.lang.SuppressWarnings("all")
+			public int hashCode() {
+				final int PRIME = 59;
+				int result = 1;
+				final java.lang.Object $field = this.getField();
+				result = result * PRIME + ($field == null ? 43 : $field.hashCode());
+				return result;
+			}
+			@java.lang.Override
+			@java.lang.SuppressWarnings("all")
+			public java.lang.String toString() {
+				return "BuilderNestedInEnum.TestEnum.TestBuilder(field=" + this.getField() + ")";
+			}
+		}
+	}
+}