import type { Readable } from "svelte/store";
import type { IValueObservable } from "@vkontakte/videoplayer-shared";
import type { IPlayer, IConfig, IObservable } from "@vkontakte/videoplayer-core";
import type { EnrichedStore, IAdsStateValues, IStore } from "./types";
import { type AdditionalButtonDeprecated } from "../types";
import type { AdditionalDesktopControlPanelButton } from "../components/Controls/types";
import type { ISDKConfig } from "../config";
export declare const setStores: (store: EnrichedStore) => void;
export declare const getStore: () => EnrichedStore;
/**
* Создаёт readable store svelte'а из `IObservableValue` sdk
*/
export declare const storeFromObservable: <T>(observable$: IValueObservable<T>, onNewValueEmitted?: (value: T) => void) => Readable<T>;
export declare const storeFromObservableWithInitValue: <T>(observable$: IObservable<T>, initValue: T, onNewValueEmitted?: (value: T) => void) => Readable<T>;
export declare const constructDebugTextData: (player: IPlayer, config: IConfig | undefined, store: IStore, traceId: string, metaConfig?: ISDKConfig["meta"]) => string;
export type DebugData = {
	version: string;
	viewport: string;
	provider?: string;
	cdn?: string;
	id?: number;
	volume: number;
	videoSize?: string;
	buffer?: number;
	nativeBuffer?: number;
	position?: number;
	speed?: number;
	bitrate?: number;
	liveLatency?: number;
	currentVideoSegmentLength?: number;
	currentAudioSegmentLength?: number;
	vsid?: string;
	videoCodec?: string;
	audioCodec?: string;
	hdr?: boolean;
	audioLanguage?: string;
};
export declare const constructDebugPanelData: (player: IPlayer, config: IConfig, store: IStore) => DebugData;
export declare const fetchVideoFile: (url: string, filename: string) => void;
export declare const isDeprecatedAdditionalButtonGuard: (btn: AdditionalButtonDeprecated | AdditionalDesktopControlPanelButton) => btn is AdditionalButtonDeprecated;
export declare const isAdditionalButtonGuard: (btn: AdditionalButtonDeprecated | AdditionalDesktopControlPanelButton) => btn is AdditionalDesktopControlPanelButton;
export declare const createDequeCache: <T>() => {
	add: (key: string, value: T) => void;
	find: (key: string) => [string, T] | undefined;
};
export declare class SubtitlesDownloader {
	private destroyController;
	private pendingDownloads;
	download(url: string): Promise<string | null>;
	destroy(): void;
	isDestroyed(): boolean;
}
export declare const getAdsDefaultStateValues: () => IAdsStateValues;