import { type ytdlpOptions, type sponsorblock, ytdlpDefaults, ytdlpExec, ytdlp } from './yt-dlp.js';
import { iReceiver, type iReceiverConfig, type iReceiverStatic, type ClientInterface, type Method } from './ireceiver.js';
import { DebugClientInterface } from './debug-interface.js';
export type YouTubeVideoID = string;
export type { ytdlpOptions, sponsorblock };
export { ytdlpDefaults, ytdlpExec, ytdlp };
export type { iReceiverConfig, iReceiverStatic, ClientInterface, Method };
export { iReceiver };
export { DebugClientInterface };
/**
 * Encodes a payload to be sent over a socket
 * @param payload any valid payload
 * @param jwtSecret the JWT secret for signing
 * @returns string ready to be sent
 */
export declare function encodePayload(payload: Payload, jwtSecret: string): string;
/**
 * parseint with wider range of accepted input types
 * @param v input to parse
 * @returns a number (or not a number)
 */
export declare function notStupidParseInt(v: string | number | undefined): number;
/**
 * Get a boolean config value
 * @param envname environment variable to check
 * @param cfg object that might have $key
 * @param key key from the input object
 * @param fallback the default value
 * @returns computed boolean from the given sources
 */
export declare function getBoolean<T>(envname: string, cfg: Partial<T> | undefined, key: keyof T, fallback: boolean): boolean;
/**
 * Throw an error inline
 * @param msg error message
 */
export declare function throwNewError<T>(msg: string): T;
/**
 * readdir but suppresses errors (if any)
 * @param downloadDir directory to read
 * @returns an array of files, or an empty array if an error was thrown
 */
export declare function getFilesNoError(downloadDir: string): Promise<string[]>;
export type Payload = RegistrationPayload | AckPayload | NowPlayingPayload | SkipPayload | QueuePayload | InsertPayload | DownloadPayload | PausePayload;
export interface PayloadBase {
    type: string;
    body?: any;
}
export interface AckPayload extends PayloadBase {
    type: 'ack';
    body?: never;
}
export interface RegistrationPayload extends PayloadBase {
    type: 'reg';
    body: string;
}
export interface NowPlayingPayload extends PayloadBase {
    type: 'nowPlaying';
    body: string | null;
}
export interface SkipPayload extends PayloadBase {
    type: 'skip';
    body?: never;
}
export interface PausePayload extends PayloadBase {
    type: 'pause';
    body: boolean;
}
export interface QueuePayload extends PayloadBase {
    type: 'queue';
    body: string;
}
export interface InsertPayload extends PayloadBase {
    type: 'insert';
    body: string;
}
export interface DownloadPayload extends PayloadBase {
    type: 'download';
    body: YouTubeVideoID;
}