src/Jsonq.php
public function then($node)
    {
        $this->_map = $this->prepare()->first(false);

        $this->from($node);

        return $this;
    }
public function then($node)
    {
        $this->_map = $this->prepare()->first(false);

        $this->from($node);

        return $this;
    }
public function then ( $ node ) { $ this -> _map = $ this -> prepare ( ) -> first ( false ) ; $ this -> from ( $ node ) ; return $ this ; }
then method set position of working data

@param string $node
@return jsonq
@throws NullValueException
@throws ConditionNotAllowedException
then method set position of working data