@Jacksonized: add flag usage configuration key

src/core/lombok/ConfigurationKeys.java

@@ -651,6 +651,15 @@ public class ConfigurationKeys {
 	 * If set, <em>any</em> usage of {@code @WithBy} results in a warning / error.
 	 */
 	public static final ConfigurationKey<FlagUsageType> WITHBY_FLAG_USAGE = new ConfigurationKey<FlagUsageType>("lombok.withBy.flagUsage", "Emit a warning or error if @WithBy is used.") {};
+
+	// ----- Jacksonized -----
+	
+	/**
+	 * lombok configuration: {@code lombok.jacksonized.flagUsage} = {@code WARNING} | {@code ERROR}.
+	 * 
+	 * If set, <em>any</em> usage of {@code @Jacksonized} results in a warning / error.
+	 */
+	public static final ConfigurationKey<FlagUsageType> JACKSONIZED_FLAG_USAGE = new ConfigurationKey<FlagUsageType>("lombok.jacksonized.flagUsage", "Emit a warning or error if @Jacksonized is used.") {};
 	
 	// ----- Configuration System -----
 	

src/core/lombok/eclipse/handlers/HandleJacksonized.java

@@ -21,6 +21,7 @@
  */
 package lombok.eclipse.handlers;
 
+import static lombok.core.handlers.HandlerUtil.handleExperimentalFlagUsage;
 import static lombok.eclipse.handlers.EclipseHandlerUtil.*;
 
 import java.util.ArrayList;
@@ -62,6 +63,8 @@ public class HandleJacksonized extends EclipseAnnotationHandler<Jacksonized> {
 	private static final char[][] JSON_DESERIALIZE_ANNOTATION = Eclipse.fromQualifiedName("com.fasterxml.jackson.databind.annotation.JsonDeserialize");
 
 	@Override public void handle(AnnotationValues<Jacksonized> annotation, Annotation ast, EclipseNode annotationNode) {
+		handleExperimentalFlagUsage(annotationNode, ConfigurationKeys.JACKSONIZED_FLAG_USAGE, "@Jacksonized");
+
 		EclipseNode annotatedNode = annotationNode.up();
 		
 		EclipseNode tdNode;

src/core/lombok/extern/jackson/Jacksonized.java

@@ -41,20 +41,20 @@ import lombok.experimental.SuperBuilder;
  * In particular, the annotation does the following:
  * <ul>
  * <li>Configure Jackson to use the builder for deserialization using
- * {@code @JsonDeserialize(builder=MyClass.MyClassBuilder[Impl].class))} on the
- * class. (An error is emitted if such an annotation already exists.)
+ * {@code @JsonDeserialize(builder=Foobar.FoobarBuilder[Impl].class)}
+ * on the class (where <em>Foobar</em> is the name of the annotated class).</li>
  * <li>Copy Jackson-related configuration annotations (like
  * {@code @JsonIgnoreProperties}) from the class to the builder class. This is
- * necessary so that Jackson recognizes them when using the builder.
+ * necessary so that Jackson recognizes them when using the builder.</li>
  * <li>Insert {@code @JsonPOJOBuilder(withPrefix="")} on the generated builder
  * class to override Jackson's default prefix "with". If you configured a
  * different prefix in lombok using {@code setterPrefix}, this value is used. If
  * you changed the name of the {@code build()} method using using
- * {@code buildMethodName}, this is also made known to Jackson.
+ * {@code buildMethodName}, this is also made known to Jackson.</li>
  * <li>For {@code @SuperBuilder}, make the builder implementation class
  * package-private.</li>
  * </ul>
- * This annotation does <i>not</i> change the behavior of the generated builder.
+ * This annotation does <em>not</em> change the behavior of the generated builder.
  * A {@code @Jacksonized} {@code @SuperBuilder} remains fully compatible to
  * regular {@code @SuperBuilder}s.
  */

src/core/lombok/javac/handlers/HandleJacksonized.java

@@ -21,6 +21,7 @@
  */
 package lombok.javac.handlers;
 
+import static lombok.core.handlers.HandlerUtil.handleExperimentalFlagUsage;
 import static lombok.javac.handlers.JavacHandlerUtil.*;
 
 import org.mangosdk.spi.ProviderFor;
@@ -59,6 +60,8 @@ import lombok.javac.JavacTreeMaker;
 public class HandleJacksonized extends JavacAnnotationHandler<Jacksonized> {
 	
 	@Override public void handle(AnnotationValues<Jacksonized> annotation, JCAnnotation ast, JavacNode annotationNode) {
+		handleExperimentalFlagUsage(annotationNode, ConfigurationKeys.JACKSONIZED_FLAG_USAGE, "@Jacksonized");
+
 		JavacNode annotatedNode = annotationNode.up();
 		deleteAnnotationIfNeccessary(annotationNode, Jacksonized.class);