import { BehaviorSubject } from 'rxjs';
import { STAudioQualityEnum } from '../../models/sdk/enums/audio-quality-enum';
import { STContent } from '../../models/sdk/content';
import { STFormData } from '../../models/sdk/form-data';
import { STLocation } from '../../models/sdk/location';
import { STMiddlewareHookInterface } from './middleware-hook-interface';
import { STPlaylist } from '../../models/sdk/playlist';
import { STSite } from '../../models/sdk/site';
import { STTrack } from '../../models/sdk/track';
import { STWidgetConfiguration } from '../../models/sdk/widget-configuration';
export declare class STMiddlewareHook {
    private static instance;
    /**
     * Player observable values
     */
    currentTrack$: BehaviorSubject<STTrack>;
    currentTrackAudioQuality$: BehaviorSubject<STAudioQualityEnum>;
    currentPlaylist$: BehaviorSubject<STPlaylist>;
    audioDuration$: BehaviorSubject<number>;
    currentTime$: BehaviorSubject<number>;
    currentState$: BehaviorSubject<any>;
    gatedLock$: BehaviorSubject<boolean>;
    playRequested$: BehaviorSubject<any>;
    lastSubscribedMiddlewareHook: STMiddlewareHookInterface;
    private constructor();
    static getInstance(): STMiddlewareHook;
    /**
     * Wait untill a middleware hook is available
     * @param retryAttempts
     */
    private waitForHookAvailability;
    /**
     * Get the middleware hook that fits the best requirement
     * @param preferredHookType
     */
    private getMiddlewareHook;
    /**
     * Subscribe to middleware hook observable and unsubscribe to any previous
     * subscribed middleware observable
     * Can be called by a new loaded middleware hook (ex: mobile)
     */
    subscribeToObservable(): Promise<void>;
    /**
     * Call player load
     */
    load(playable?: STTrack | STPlaylist, index?: number): Promise<void>;
    /**
     * Call player play
     */
    play(playable?: STTrack | STPlaylist, index?: number, playbackFromHistory?: boolean): Promise<void>;
    /**
     * Call player playAtIndex
     */
    playAtIndex(index: number, playbackFromHistory?: boolean): Promise<void>;
    /**
     * Call player next
     */
    next(): Promise<void>;
    /**
     * Call player prev
     */
    prev(): Promise<void>;
    /**
     * Call player stop
     */
    stop(): Promise<void>;
    /**
     * Call player mute
     */
    mute(): Promise<void>;
    /**
     * Call player unmute
     */
    unmute(): Promise<void>;
    /**
     * Call player seekTo
     */
    seekTo(time: number): Promise<void>;
    /**
     * Call player fastForward
     */
    fastForward(time?: number): Promise<void>;
    /**
     * Call player rewind
     */
    rewind(time?: number): Promise<void>;
    /**
     * Get a content with its key
     * @param contentKey
     */
    getContent(contentKey: string): Promise<STContent>;
    /**
     * Get a content where the value of the given prop is equal to the given value
     * @param prop
     * @param value
     */
    getContentBy(prop: string, value: any): Promise<STContent>;
    /**
     * Get a widget configuration with its key
     * @param widgetConfigurationKey
     */
    getWidgetConfiguration(widgetConfigurationKey: string): Promise<STWidgetConfiguration>;
    /**
     * Get location info
     */
    getLocation(): Promise<STLocation>;
    /**
     * Get form data
     */
    getFormData(id: number, formKey: string): Promise<STFormData>;
    /**
     * Get cid
     */
    getCid(): Promise<string>;
    /**
     * Set cid
     */
    setCid(cid: string): Promise<void>;
    /**
     * Get environnement info
     */
    getEnvironment(): Promise<string>;
    /**
     * Emit an event
     */
    emitEvent(eventName: string, event?: any): Promise<void>;
    /**
     * Subscribe to an event
     */
    onEvent(eventName: string, cb: (event?: any) => any): Promise<void>;
    /**
     * Get site info
     */
    getSiteOfLocation(locationKey: string): Promise<STSite>;
}