Method on

src/test/builders/browserFakes.ts:371–373

()

  on(_event: 'progress', _listener: (percent: number) => void): this;
  on(_event: string | symbol, _listener: (...args: unknown[]) => void): this;
  on(): this {
    return this;
  }

  once(_event: 'abort' | 'start', _listener: () => void): this;
  once(_event: 'finished', _listener: (blob: Blob, data: Uint8Array) => void): this;