Interface WebSocketLike

packages/socketio-shim/src/adapter.ts:39–46

 * workerd's hibernatable WS or a Node test stub.
 */
export interface WebSocketLike {
  send(data: string): void;
  close(code?: number, reason?: string): void;
  addEventListener?(
    type: 'message' | 'close' | 'error',
    listener: (ev: { data?: unknown; code?: number; reason?: string }) => void,
  ): void;
}

export interface SocketIoShimOptions {
  /**