Исправления

src/main/java/com/github/_1c_syntax/bsl/languageserver/context/symbol/AnnotationSymbol.java

@@ -36,6 +36,7 @@
 import org.eclipse.lsp4j.SymbolKind;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 import java.util.Optional;
 
@@ -62,11 +63,13 @@ public class AnnotationSymbol implements SourceDefinedSymbol, Describable {
   @Builder.Default
   Optional<SourceDefinedSymbol> parent = Optional.empty();
 
-  @Builder.Default
-  List<SourceDefinedSymbol> children = new ArrayList<>();
-
   Optional<MethodDescription> description;
 
+  @Override
+  public List<SourceDefinedSymbol> getChildren() {
+    return Collections.emptyList();
+  }
+
   @Override
   public void accept(SymbolTreeVisitor visitor) {
     // no-op

src/main/java/com/github/_1c_syntax/bsl/languageserver/references/AnnotationReferenceFinder.java

@@ -28,7 +28,6 @@
 import com.github._1c_syntax.bsl.languageserver.context.events.ServerContextPopulatedEvent;
 import com.github._1c_syntax.bsl.languageserver.context.symbol.AnnotationSymbol;
 import com.github._1c_syntax.bsl.languageserver.context.symbol.MethodSymbol;
-import com.github._1c_syntax.bsl.languageserver.context.symbol.SymbolTree;
 import com.github._1c_syntax.bsl.languageserver.context.symbol.annotations.Annotation;
 import com.github._1c_syntax.bsl.languageserver.references.model.Reference;
 import com.github._1c_syntax.bsl.languageserver.utils.Methods;
@@ -37,7 +36,6 @@
 import com.github._1c_syntax.bsl.parser.BSLParser;
 import lombok.RequiredArgsConstructor;
 import org.antlr.v4.runtime.tree.TerminalNode;
-import org.apache.commons.collections4.map.CaseInsensitiveMap;
 import org.apache.commons.lang3.tuple.Pair;
 import org.eclipse.lsp4j.Location;
 import org.eclipse.lsp4j.Position;
@@ -47,13 +45,14 @@
 import java.net.URI;
 import java.util.Map;
 import java.util.Optional;
+import java.util.concurrent.ConcurrentHashMap;
 
 @Component
 @RequiredArgsConstructor
 public class AnnotationReferenceFinder implements ReferenceFinder {
 
   private final ServerContext serverContext;
-  private final Map<String, AnnotationSymbol> registeredAnnotations = new CaseInsensitiveMap<>();
+  private final Map<String, AnnotationSymbol> registeredAnnotations = new ConcurrentHashMap<>();
 
   @EventListener
   public void handleContextRefresh(ServerContextPopulatedEvent event) {
@@ -68,9 +67,8 @@ public void handleDocumentContextChange(DocumentContextContentChangedEvent event
     DocumentContext documentContext = event.getSource();
     var uri = documentContext.getUri();
 
-    registeredAnnotations.values().stream()
-      .filter(annotationSymbol -> annotationSymbol.getOwner().getUri().equals(uri))
-      .forEach(annotationSymbol -> registeredAnnotations.remove(annotationSymbol.getName()));
+    registeredAnnotations.values()
+      .removeIf(annotationSymbol -> annotationSymbol.getOwner().getUri().equals(uri));
 
     findAndRegisterAnnotation(documentContext);
   }

src/test/java/com/github/_1c_syntax/bsl/languageserver/references/AnnotationReferenceFinderTest.java

@@ -43,11 +43,10 @@ class AnnotationReferenceFinderTest extends AbstractServerContextAwareTest {
   @Test
   void findReference() {
     // given
-    initServerContext(TestUtils.PATH_TO_METADATA);
+    initServerContext("./src/test/resources/references/annotations");
     var documentContext = TestUtils.getDocumentContextFromFile("./src/test/resources/references/AnnotationReferenceFinder.os");
 
     var module = documentContext.getSymbolTree().getModule();
-    var method = documentContext.getSymbolTree().getMethods().get(0);
 
     // when
     var optionalReference = referenceFinder.findReference(documentContext.getUri(), new Position(0, 2));
@@ -59,7 +58,7 @@ void findReference() {
       .hasValueSatisfying(reference -> assertThat(reference.getSymbol().getName()).isEqualTo("ТестоваяАннотация"))
       .hasValueSatisfying(reference -> assertThat(reference.getSymbol().getSymbolKind()).isEqualTo(SymbolKind.TypeParameter))
       .hasValueSatisfying(reference -> assertThat(reference.getSelectionRange()).isEqualTo(Ranges.create(0, 0, 18)))
-      .hasValueSatisfying(reference -> assertThat(reference.getSourceDefinedSymbol().orElseThrow().getSelectionRange()).isEqualTo(method.getSelectionRange()))
+      .hasValueSatisfying(reference -> assertThat(reference.getSourceDefinedSymbol().orElseThrow().getSelectionRange()).isEqualTo(Ranges.create(1, 10, 28)))
     ;
   }
 }

src/test/resources/references/AnnotationReferenceFinder.os

@@ -1,6 +1,8 @@
 &ТестоваяАннотация
 Перем ТестоваяПеременная;
 
-&Аннотация("ТестоваяАннотация")
+&ТестоваяАннотация2
+Перем ТестоваяПеременная2;
+
 Процедура ПриСозданииОбъекта()
 КонецПроцедуры

src/test/resources/references/annotations/ТестоваяАннотация.os

@@ -0,0 +1,3 @@
+&Аннотация("ТестоваяАннотация")
+Процедура ПриСозданииОбъекта()
+КонецПроцедуры

src/test/resources/references/annotations/ТестоваяАннотация2.os

@@ -0,0 +1,3 @@
+&Аннотация("ТестоваяАннотация2")
+Процедура ПриСозданииОбъекта()
+КонецПроцедуры