BridgeWindowinterfacepostMessage-client.ts:63The window-like surface this transport needs, so a test can supply its own.MethodsaddEventListenersignatureCopyaddEventListener(type, listener): voidParametersNameTypeDescriptiontype"message"NameTypeDescriptionlistener(event: MessageEvent) => voidReturnsvoidpostMessagesignatureCopypostMessage(message, targetOrigin): voidParametersNameTypeDescriptionmessageunknownNameTypeDescriptiontargetOriginstringReturnsvoidremoveEventListenersignatureCopyremoveEventListener(type, listener): voidParametersNameTypeDescriptiontype"message"NameTypeDescriptionlistener(event: MessageEvent) => voidReturnsvoid