Interface UnaryPending

node/src/transport.ts:34–38

class FrameQueue {
  #frames: Envelope[] = [];
  #wait?: (result: IteratorResult<Envelope>) => void;
  #done = false;
  #error?: Error;

  push(envelope: Envelope): void {
    if (this.#done) return;
    if (this.#wait) {
      const waiter = this.#wait;