import EventEmitter from 'events';
import { type PlayerStatus } from './PlayerStatusProvider';
import { type UnsetVolatileInfo, type TrackInfo } from './VolumioStateManager';
export declare abstract class Service<S extends PlayerStatus> extends EventEmitter {
    abstract start(): Promise<void>;
    abstract quit(): Promise<void>;
    abstract isActive(): boolean;
    abstract getStatus(): S | null;
    /**
     *
     * @param track
     * @param start Position from which to start playback (seconds)
     */
    abstract play(track: TrackInfo, start?: number): Promise<void>;
    abstract pause(): Promise<void>;
    abstract stop(): Promise<void>;
    abstract resume(): Promise<void>;
    abstract next(): Promise<void>;
    abstract previous(): Promise<void>;
    abstract setRandom(value: boolean): void;
    abstract setRepeat(value: boolean, repeatSingle: boolean): Promise<void>;
    abstract pushState(): void;
    /**
     *
     * @param position Position to seek to in seconds
     */
    abstract seek(position: number): Promise<void>;
    protected forwardStatusEvent(status: S): void;
    protected forwardVolatileEvent(eventName: 'setVolatile'): void;
    protected forwardVolatileEvent(eventName: 'unsetVolatile', info: UnsetVolatileInfo): void;
    emit(eventName: 'setVolatile'): boolean;
    emit(eventName: 'unsetVolatile', info: UnsetVolatileInfo): boolean;
    emit(eventName: 'close', code: number | null, signal: NodeJS.Signals | null): boolean;
    emit(eventName: 'status', status: S): boolean;
    on(eventName: 'setVolatile', listener: () => void): this;
    on(eventName: 'unsetVolatile', listener: (info: UnsetVolatileInfo) => void): this;
    on(eventName: 'close', listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
    on(eventName: 'status', listener: (status: S) => void): this;
    once(eventName: 'setVolatile', listener: () => void): this;
    once(eventName: 'unsetVolatile', listener: (info: UnsetVolatileInfo) => void): this;
    once(eventName: 'close', listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
    once(eventName: 'status', listener: (status: S) => void): this;
    off(eventName: 'setVolatile', listener: () => void): this;
    off(eventName: 'unsetVolatile', listener: (info: UnsetVolatileInfo) => void): this;
    off(eventName: 'close', listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
    off(eventName: 'status', listener: (status: S) => void): this;
}
//# sourceMappingURL=Service.d.ts.map