function from($namespacePath)
    {
        if ($namespacePath === '')
            # from recursion calls
            return $this;

        // ..

        $cNamespace = $this->_normalizeNamespace($namespacePath);

        if (false === strstr($cNamespace, self::SEPARATOR)) {
            ## recursion fallback here !!
            if (!isset($this->__nestRight[$cNamespace]))
                return false;

            return $this->__nestRight[$cNamespace];
        }

        // ..

        $namespacePath = rtrim($namespacePath, self::SEPARATOR);
        $brkNamespace  = explode(self::SEPARATOR, $namespacePath);


        ## /root/to/nested/namespace
        $cNamespace   = array_shift($brkNamespace);
        $cContainer   = $this;
        if ($cNamespace === '') {
            ## Start with / (separator)
            #- Goto Root Container
            while ($cContainer->__nestLeft)
                $cContainer = $cContainer->__nestLeft;
        }
        else $cContainer = $this->from($cNamespace); ## fallback

        ## fallback recursion from root parent
        return ($cContainer == false) ? $cContainer : $cContainer->from(implode(self::SEPARATOR, $brkNamespace));
    }