import type { VideoQuality } from "@vkontakte/videoplayer-shared";
import { type PlaybackRate } from "@vkontakte/videoplayer-core";
export declare const savePreferredVolume: (volume: number) => void;
export declare const getPreferredVolume: () => number | undefined;
export declare const savePreferredQuality: (videoId: number | undefined, value: VideoQuality) => void;
export declare const deletePreferredQuality: () => void;
export declare const getPreferredQuality: (currentVideoId: number | undefined) => VideoQuality | undefined;
export declare const savePreferMute: (preferMute: boolean) => void;
export declare const getPreferMute: () => boolean;
export declare const savePreferTrafficSavingEnabled: (trafficSavingEnabled: boolean) => void;
export declare const getPreferTrafficSavingEnabled: () => boolean;
export declare const getPreferredStreamLanguage: () => string | null;
export declare const savePreferredStreamLanguage: (language: string) => void;
export declare const getPreferredSubtitlesLanguage: () => string | null;
export declare const savePreferredSubtitlesLanguage: (language?: string) => void;
export declare const savePreferredRate: (rate: PlaybackRate) => void;
export declare const getPreferredRate: () => PlaybackRate | undefined;
export declare const savePreferredAutoplayNext: (autoplayNext: boolean) => void;
export declare const getPreferredAutoplayNext: () => boolean;
export type PreferredQualitySettingsType = "traffic_saving" | "high_quality" | "auto_quality" | "exact_video";
export type PreferredQualitySettingsValue = {
	type: Exclude<PreferredQualitySettingsType, "exact_video">;
	videoId?: number;
} | {
	type: "exact_quality";
	quality: VideoQuality;
	videoId?: number;
};
export type DefaultPreferredQualitySettingsValue = Exclude<PreferredQualitySettingsValue, {
	type: "exact_quality";
}>;
export type QualitySettingsAppliesTo = "as-default" | "to-video";
export declare const getPreferredQualitySettings: (videoId: number | undefined) => (PreferredQualitySettingsValue & {
	appliesTo: QualitySettingsAppliesTo;
}) | null;
export declare const migrateSettingsToLegacyWay: (videoId?: number) => void;
export declare const savePreferredQualitySettings: (value: PreferredQualitySettingsValue, appliesTo?: QualitySettingsAppliesTo) => void;
export declare const savePreferredDefaultQualitySettings: (value: DefaultPreferredQualitySettingsValue) => void;
export declare const removePreferredQualitySettingsByVideo: () => void;
export declare const getPreferredDefaultQualitySettings: () => DefaultPreferredQualitySettingsValue | null;
type IUserSalt = string & {};
type IVideoId = string & {};
export interface IVideoPrefs {
	[userSalt: IUserSalt]: IVideoPrefsUser;
}
export interface IVideoPrefsUser {
	[videoId: IVideoId]: IVideoPrefsUserVideo;
}
export interface IVideoPrefsUserVideo {
	updatedTs: number;
	subtitleTrackId?: string;
	audioTrackId?: string;
}
export declare const getUserVideoPrefs: (userSalt: IUserSalt, videoId: IVideoId) => IVideoPrefsUserVideo | null;
export declare const saveUserVideoPrefs: (userSalt: IUserSalt, videoId: IVideoId, settings: Omit<IVideoPrefsUserVideo, "updatedTs">) => void;
export declare function markPreviewTrackCloseTooltipAsShown(): void;
export declare function previewTrackCloseTooltipShown(): boolean;
export {};