95     protected $_bucket          = [];  variable in Hoa\\Stream\\Stream
294         $this->_bucket     = self::_getStream(
328         $this->_bucket[self::HANDLER] = null;
346         if (empty($this->_bucket)) {
350         return $this->_bucket[self::NAME];
360         if (empty($this->_bucket)) {
364         return $this->_bucket[self::RESOURCE];
374         if (empty($this->_bucket)) {
378         return $this->_bucket[self::CONTEXT];
420         $old                           = $this->_bucket[self::RESOURCE];
421         $this->_bucket[self::RESOURCE] = $stream;