namespace Leaf {
    export namespace Foreground {
        export class ChannelForegroundEnd { }
        export class ChannelForegroundLayer {
            private context: ServiceContext
            private rpc = new RPCComposer()
            private invokeBackgroundServiceAPI = this.rpc.createRPCInvokeInterface<{
                service: string
                api: string
                data: any
            }, any>({ name: "invokeBackgroundServiceAPI" })
            private connectBackgroundLayer = this.rpc.createRPCInvokeInterface<null, {
                // background version
                version: string
                // allocated channel id
                id: string
            }>({
                name: "connectBackgroundLayer"
            })
            constructor(public version: string = "0") {
            }
        }
    }
}