@Nullable
  public static String getMethodName(GrMethodCall methodCall) {
    GrExpression invokedExpression = methodCall.getInvokedExpression();
    if (!(invokedExpression instanceof GrReferenceExpression)) return null;

    return ((GrReferenceExpression)invokedExpression).getReferenceName();
  }
@Nullable
  public static String getMethodName(GrMethodCall methodCall)