@Nullable
  private IElementType getPrimitiveParameterType(int paramIndex) {
    LighterASTNode typeElement = firstChildOfType(myTree, getParameters().get(paramIndex), TYPE);
    LighterASTNode primitive = firstChildOfType(myTree, typeElement, ElementType.PRIMITIVE_TYPE_BIT_SET);
    return primitive == null ? null : primitive.getTokenType();
  }
@Nullable
  private IElementType getPrimitiveParameterType(int paramIndex)