public @NotNull FlyweightCapableTreeStructure<LighterASTNode> parseContents() {
      FlyweightCapableTreeStructure<LighterASTNode> parsed = myParsed;
      if (parsed == null) {
        myParsed = parsed = ((ILightLazyParseableElementType)getTokenType()).parseContents(this);
      }
      return parsed;
    }
public @NotNull FlyweightCapableTreeStructure<LighterASTNode> parseContents()