diff --git a/src/server/features/completionItemProvider.ts b/src/server/features/completionItemProvider.ts
index 49060fd..66d8392 100644
--- a/src/server/features/completionItemProvider.ts
+++ b/src/server/features/completionItemProvider.ts
@@ -344,7 +344,7 @@ export default class TypeScriptCompletionItemProvider implements CompletionItemP
       if (!this.completeOption.importStatementSuggestions || !this.client.apiVersion.lt(API.v430)) {
         return false
       }
-      return pre === 'import ';
+      return pre === 'import '
     }
 
     return true
diff --git a/src/server/features/documentSymbol.ts b/src/server/features/documentSymbol.ts
index 6bb4110..98a4586 100644
--- a/src/server/features/documentSymbol.ts
+++ b/src/server/features/documentSymbol.ts
@@ -4,7 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 import { TextDocument } from 'coc.nvim'
 import { DocumentSymbolProvider } from 'coc.nvim'
-import { CancellationToken, DocumentSymbol, Range, SymbolKind } from 'vscode-languageserver-protocol'
+import { CancellationToken, DocumentSymbol, Range, SymbolKind, SymbolTag } from 'vscode-languageserver-protocol'
 import * as Proto from '../protocol'
 import * as PConst from '../protocol.const'
 import { ITypeScriptServiceClient } from '../typescriptService'
@@ -82,20 +82,15 @@ export default class TypeScriptDocumentSymbolProvider implements DocumentSymbolP
   }
 
   private static convertNavTree(
-    bucket: DocumentSymbol[],
+    output: DocumentSymbol[],
     item: Proto.NavigationTree,
   ): boolean {
     let shouldInclude = TypeScriptDocumentSymbolProvider.shouldInclueEntry(item)
     const children = new Set(item.childItems || [])
     for (const span of item.spans) {
       const range = typeConverters.Range.fromTextSpan(span)
-      const symbolInfo = DocumentSymbol.create(
-        item.text,
-        '',
-        getSymbolKind(item.kind),
-        range,
-        range)
-      symbolInfo.children = children.size > 0 ? [] : null
+      const symbolInfo = TypeScriptDocumentSymbolProvider.convertSymbol(item, range)
+      if (children.size) symbolInfo.children = []
 
       for (const child of children) {
         if (child.spans.some(span => !!containsRange(range, typeConverters.Range.fromTextSpan(span)))) {
@@ -106,13 +101,33 @@ export default class TypeScriptDocumentSymbolProvider implements DocumentSymbolP
       }
 
       if (shouldInclude) {
-        bucket.push(symbolInfo)
+        output.push(symbolInfo)
       }
     }
-
     return shouldInclude
   }
 
+  private static convertSymbol(item: Proto.NavigationTree, range: Range): DocumentSymbol {
+    const selectionRange = item.nameSpan ? typeConverters.Range.fromTextSpan(item.nameSpan) : range
+    let label = item.text
+    switch (item.kind) {
+      case PConst.Kind.memberGetAccessor: label = `(get) ${label}`; break
+      case PConst.Kind.memberSetAccessor: label = `(set) ${label}`; break
+    }
+    const symbolInfo = DocumentSymbol.create(
+      label,
+      '',
+      getSymbolKind(item.kind),
+      range,
+      containsRange(range, selectionRange) ? selectionRange : range)
+
+    const kindModifiers = parseKindModifier(item.kindModifiers)
+    if (kindModifiers.has(PConst.KindModifiers.deprecated)) {
+      symbolInfo.tags = [SymbolTag.Deprecated]
+    }
+    return symbolInfo
+  }
+
   private static shouldInclueEntry(
     item: Proto.NavigationTree | Proto.NavigationBarItem
   ): boolean {
@@ -142,3 +157,7 @@ function containsRange(range: Range, otherRange: Range): boolean {
   }
   return true
 }
+
+function parseKindModifier(kindModifiers: string): Set<string> {
+  return new Set(kindModifiers.split(/,|\s+/g))
+}
diff --git a/src/server/protocol.const.ts b/src/server/protocol.const.ts
index 546f136..418fbf4 100644
--- a/src/server/protocol.const.ts
+++ b/src/server/protocol.const.ts
@@ -60,7 +60,7 @@ export class KindModifiers {
     KindModifiers.tsxFile,
     KindModifiers.jsFile,
     KindModifiers.jsxFile,
-    KindModifiers.jsonFile,
+    KindModifiers.jsonFile
   ]
 }
 
@@ -72,3 +72,19 @@ export class DisplayPartKind {
   public static readonly punctuation = 'punctuation'
   public static readonly text = 'text'
 }
+
+export enum EventName {
+  syntaxDiag = 'syntaxDiag',
+  semanticDiag = 'semanticDiag',
+  suggestionDiag = 'suggestionDiag',
+  configFileDiag = 'configFileDiag',
+  telemetry = 'telemetry',
+  projectLanguageServiceState = 'projectLanguageServiceState',
+  projectsUpdatedInBackground = 'projectsUpdatedInBackground',
+  beginInstallTypes = 'beginInstallTypes',
+  endInstallTypes = 'endInstallTypes',
+  typesInstallerInitializationFailed = 'typesInstallerInitializationFailed',
+  surveyReady = 'surveyReady',
+  projectLoadingStart = 'projectLoadingStart',
+  projectLoadingFinish = 'projectLoadingFinish'
+}