GraphQL\Language\AST\Location::__construct PHP Метод

    public function __construct(Token $startToken, Token $endToken, Source $source = null)
    {
        $this->startToken = $startToken;
        $this->endToken = $endToken;
        $this->start = $startToken->start;
        $this->end = $endToken->end;
        $this->source = $source;
    }