src/Manipulation/Select.php
public function addJoin(Select $select, $selfColumn, $refColumn)
    {
        return $this->joinQuery->addJoin($select, $selfColumn, $refColumn);
    }
public function addJoin(Select $select, $selfColumn, $refColumn)
    {
        return $this->joinQuery->addJoin($select, $selfColumn, $refColumn);
    }
@param Select $select
@param string $selfColumn
@param string $refColumn

@return Select