private function getAllConfigNames()
    {
        if ($this->allConfig) {
            return $this->allConfig;
        }

        foreach ($this->configFactory->listAll() as $name) {
            $this->allConfig[] = $name;
        }

        return $this->allConfig;
    }
private function getAllConfigNames()
    {
        if ($this->allConfig) {
            return $this->allConfig;
        }

        foreach ($this->configFactory->listAll() as $name) {
            $this->allConfig[] = $name;
        }

        return $this->allConfig;
    }
private function getAllConfigNames ( ) { if ( $ this -> allConfig ) { return $ this -> allConfig ; } foreach ( $ this -> configFactory -> listAll ( ) as $ name ) { $ this -> allConfig [ ] = $ name ; } return $ this -> allConfig ; }
Retrieve configuration names form cache or service factory.

@return array
All configuration names.
Retrieve configuration names form cache or service factory .