public function getConfiguration($key = null)
    {
        return isset($this->_args[ $key ]) ? $this->_args[ $key ] : null;
    }
public function getConfiguration($key = null)
    {
        return isset($this->_args[ $key ]) ? $this->_args[ $key ] : null;
    }
public function getConfiguration ( $ key = null ) { return isset ( $ this -> _args [ $ key ] ) ? $ this -> _args [ $ key ] : null ; }
Get feature type configuration by key name

@param string $key Key name
@return array|mixed|null
Get feature type configuration by key name