import { ChannelController, PlaybackStateReporter } from '@vestibule-link/alexa-video-skill-types';
import { CapabilityEmitter, DirectiveHandlers, StateEmitter, SupportedDirectives } from '@vestibule-link/bridge-assistant-alexa';
import { EndpointState, SubType } from '@vestibule-link/iot-types';
import { MythAlexaEventFrontend, RegisteringDirective } from "./Frontend";
declare type DirectiveType = ChannelController.NamespaceType;
declare const DirectiveName: DirectiveType;
declare type Response = {
    payload: {};
    state?: {
        [DirectiveName]?: SubType<EndpointState, DirectiveType>;
        [PlaybackStateReporter.namespace]?: SubType<EndpointState, PlaybackStateReporter.NamespaceType>;
    };
};
export default class FrontendChannel implements SubType<DirectiveHandlers, DirectiveType>, StateEmitter, CapabilityEmitter, RegisteringDirective {
    readonly fe: MythAlexaEventFrontend;
    readonly supported: SupportedDirectives<DirectiveType>;
    readonly emptyChannel: ChannelController.Channel;
    constructor(fe: MythAlexaEventFrontend);
    register(): Promise<void>;
    refreshState(deltaId: symbol): void;
    refreshCapability(deltaId: symbol): void;
    ChangeChannel(payload: ChannelController.ChangeChannelRequest): Promise<Response>;
    SkipChannels(payload: ChannelController.SkipChannelsRequest): Promise<Response>;
    sendChannelChange(chanNum: string): Promise<Response>;
    private changeChannel;
    private state;
    private toChannel;
    private updateStateAndChannel;
    private updateStateFromChanId;
    private updateWatchedState;
    private updateStoppedState;
}
export {};