private static boolean isCommonPutCallForAllReferences(List<PsiReferenceExpression> references, PsiMethodCallExpression commonPutCall) {
        for (PsiReferenceExpression reference : references) {
          PsiMethodCallExpression putCall = findPutMethodParent(reference);
          if (putCall != commonPutCall) {
            return false;
          }
        }
        return true;
      }
private static boolean isCommonPutCallForAllReferences(List<PsiReferenceExpression> references, PsiMethodCallExpression commonPutCall)