Pinq\Queries\Builders\Interpretations\IRequestInterpretation::interpretAggregate PHP Method

    public function interpretAggregate($requestId, IFunction $function);

 protected final function visitAggregate(O\MethodCallExpression $expression)
 {
     $this->interpretation->interpretAggregate($this->getId('aggregate'), $this->getFunctionAt('aggregate-function', 0, $expression));
     $this->interpretSourceAsScope($expression);
 }