public function clearContain()
    {
        $this->_containments = [];
        $this->_normalized = null;
        $this->_loadExternal = [];
        $this->_aliasList = [];
    }
public function clearContain()
    {
        $this->_containments = [];
        $this->_normalized = null;
        $this->_loadExternal = [];
        $this->_aliasList = [];
    }
public function clearContain ( ) { $ this -> _containments = [ ] ; $ this -> _normalized = null ; $ this -> _loadExternal = [ ] ; $ this -> _aliasList = [ ] ; }
Remove any existing non-matching based containments.

This will reset/clear out any contained associations that were not
added via matching().

@return void
Remove any existing non - matching based containments .