17     private $queue = [];  variable in GuzzleHttp\\Handler\\MockHandler
27      * @param array $queue Array of responses, callables, or exceptions.
34         array $queue = null,  argument
38         return HandlerStack::create(new self($queue, $onFulfilled, $onRejected));
46      * @param array $queue
51         array $queue = null,  argument
58         if ($queue) {
59             call_user_func_array([$this, 'append'], $queue);
65         if (!$this->queue) {
75         $response = array_shift($this->queue);
140                 $this->queue[] = $value;
175         return count($this->queue);
180         $this->queue = [];