GraphQL\Validator\Rules\NoUnusedFragments::unusedFragMessage PHP Method

    static function unusedFragMessage($fragName)
    {
        return "Fragment \"{$fragName}\" is never used.";
    }

 private function unusedFrag($fragName, $line, $column)
 {
     return FormattedError::create(NoUnusedFragments::unusedFragMessage($fragName), [new SourceLocation($line, $column)]);
 }