private static boolean isIndexOfCall(
      @NotNull PsiMethodCallExpression expression) {
      final PsiReferenceExpression methodExpression =
        expression.getMethodExpression();
      final String methodName = methodExpression.getReferenceName();
      return HardcodedMethodConstants.INDEX_OF.equals(methodName);
    }
private static boolean isIndexOfCall(
      @NotNull PsiMethodCallExpression expression)