private function getConfigKeys()
    {
        if (isset($this->configKeys)) {
            return $this->configKeys;
        }
        $this->configKeys = array(
            'debug' => array(
                // any key not found falls under 'debug'...
            ),
            'abstracter' => array(
                'cacheMethods',
                'collectConstants',
                'collectMethods',
                'objectsExclude',
                'objectSort',
                'useDebugInfo',
            ),
            'errorEmailer' => array(
                'emailBacktraceDumper',
                // 'emailFrom',
                // 'emailFunc',
                'emailMask',
                'emailMin',
                'emailThrottledSummary',
                'emailThrottleFile',
                'emailThrottleRead',
                'emailThrottleWrite',
                // 'emailTo',
                'emailTraceMask',
            ),
            'errorHandler' => \array_keys($this->debug->errorHandler->getCfg()),
            'output' => array(
                'addBR',
                'css',
                'displayListKeys',
                'filepathCss',
                'filepathScript',
                'onOutput',
                'outputAs',
                'outputAsDefaultNonHtml',
                'outputConstants',
                'outputCss',
                'outputHeaders',
                'outputMethodDescription',
                'outputMethods',
                'outputScript',
            ),
        );
        return $this->configKeys;
    }
private function getConfigKeys()
    {
        if (isset($this->configKeys)) {
            return $this->configKeys;
        }
        $this->configKeys = array(
            'debug' => array(
                // any key not found falls under 'debug'...
            ),
            'abstracter' => array(
                'cacheMethods',
                'collectConstants',
                'collectMethods',
                'objectsExclude',
                'objectSort',
                'useDebugInfo',
            ),
            'errorEmailer' => array(
                'emailBacktraceDumper',
                // 'emailFrom',
                // 'emailFunc',
                'emailMask',
                'emailMin',
                'emailThrottledSummary',
                'emailThrottleFile',
                'emailThrottleRead',
                'emailThrottleWrite',
                // 'emailTo',
                'emailTraceMask',
            ),
            'errorHandler' => \array_keys($this->debug->errorHandler->getCfg()),
            'output' => array(
                'addBR',
                'css',
                'displayListKeys',
                'filepathCss',
                'filepathScript',
                'onOutput',
                'outputAs',
                'outputAsDefaultNonHtml',
                'outputConstants',
                'outputCss',
                'outputHeaders',
                'outputMethodDescription',
                'outputMethods',
                'outputScript',
            ),
        );
        return $this->configKeys;
    }
private function getConfigKeys ( ) { if ( isset ( $ this -> configKeys ) ) { return $ this -> configKeys ; } $ this -> configKeys = array ( 'debug' => array ( // any key not found falls under 'debug'... ) , 'abstracter' => array ( 'cacheMethods' , 'collectConstants' , 'collectMethods' , 'objectsExclude' , 'objectSort' , 'useDebugInfo' , ) , 'errorEmailer' => array ( 'emailBacktraceDumper' , // 'emailFrom', // 'emailFunc', 'emailMask' , 'emailMin' , 'emailThrottledSummary' , 'emailThrottleFile' , 'emailThrottleRead' , 'emailThrottleWrite' , // 'emailTo', 'emailTraceMask' , ) , 'errorHandler' => \ array_keys ( $ this -> debug -> errorHandler -> getCfg ( ) ) , 'output' => array ( 'addBR' , 'css' , 'displayListKeys' , 'filepathCss' , 'filepathScript' , 'onOutput' , 'outputAs' , 'outputAsDefaultNonHtml' , 'outputConstants' , 'outputCss' , 'outputHeaders' , 'outputMethodDescription' , 'outputMethods' , 'outputScript' , ) , ) ; return $ this -> configKeys ; }
get available config keys for objects

@return array
get available config keys for objects