/**
 * @param {Promise<unknown>} promise
 * @param {number} timeoutMs
 * @param {string} label
 * @returns {Promise<unknown>}
 */
export function withTimeout(promise: Promise<unknown>, timeoutMs: number, label: string): Promise<unknown>;
/**
 * @param {YotoDeviceModel} model
 * @returns {Promise<void>}
 */
export function waitForModelReady(model: YotoDeviceModel): Promise<void>;
/**
 * @param {YotoDeviceModelConfig} config
 */
export function assertConfigShape(config: YotoDeviceModelConfig): void;
/**
 * @param {YotoPlaybackState} playback
 */
export function assertPlaybackShape(playback: YotoPlaybackState): void;
/**
 * @param {string | undefined} value
 * @returns {string}
 */
export function toLower(value: string | undefined): string;
import type { YotoDeviceModel } from '../yoto-device.js';
import type { YotoDeviceModelConfig } from '../yoto-device.js';
import type { YotoPlaybackState } from '../yoto-device.js';
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