code/libraries/joomlatools/component/koowa/controller/behavior/cacheable.php
protected function _beforeBrowse(KControllerContextInterface $context)
    {
        if(!empty($this->_output))
        {
            $context->result = $this->_output;
            return false;
        }

        return null;
    }
protected function _beforeBrowse(KControllerContextInterface $context)
    {
        if(!empty($this->_output))
        {
            $context->result = $this->_output;
            return false;
        }

        return null;
    }
protected function _beforeBrowse ( KControllerContextInterface $ context ) { if ( ! empty ( $ this -> _output ) ) { $ context -> result = $ this -> _output ; return false ; } return null ; }
Return the cached data before browse

Only if cached data was fetch return it and break the chain to disallow any
further processing to take place

@param   KControllerContextInterface $context A command context object
@return 	null|boolean
Return the cached data before browse