@Nullable
  private static String findMethodName(@NotNull GrMethodCall methodCall) {
    GrExpression expression = methodCall.getInvokedExpression();
    if (expression instanceof GrReferenceExpression) {
      return ((GrReferenceExpression)expression).getReferenceName();
    }
    return null;
  }
@Nullable
  private static String findMethodName(@NotNull GrMethodCall methodCall)