public function setFullQualifiedNamespace($fullQualifiedNamespace) {
        if (empty($this->class) && empty($this->namespace)) {
            $extracted       = $this->extractNamespace($fullQualifiedNamespace);
            $this->class     = $extracted['class'];
            $this->namespace = $extracted['namespace'];
        }


        $this->fullQualifiedNamespace = $fullQualifiedNamespace;
    }