message: del FeatureSymbology export from frontend.ts (already in rendering.ts)
diff: /*---------------------------------------------------------------------------------------------
  | $Copyright: (c) 2018 Bentley Systems, Incorporated. All rights reserved. $
  *--------------------------------------------------------------------------------------------*/
  -export * from "./render/FeatureSymbology";
  +
  export * from "./tools/AccuDrawTool";
  export * from "./tools/EditManipulator";
  export * from "./tools/ElementSetTool";
  