Method close

src/change_stream.ts:847–858

* Frees the internal resources used by the change stream.

()

   * Frees the internal resources used by the change stream.
   */
  async close(): Promise<void> {
    this.timeoutContext?.clear();
    this.timeoutContext = undefined;
    this.isClosed = true;

    const cursor = this.cursor;
    try {
      await cursor.close();
    } finally {
      this._endStream();
    }
  }

  /**
   * Return a modified Readable stream including a possible transform method.