import type { ChucK, RunResult, ChuginEntry, AudioConfig, ShredInfo, ReplaceResult, GlobalVariableInfo } from './types/chuck.js';
/**
 * Configuration object passed to {@link ChuGL.init}.
 */
interface ChuGLConfig {
    /** **Required.** Canvas element for WebGPU rendering. */
    canvas: HTMLCanvasElement;
    /**
     * Base URL where WebChuGL runtime assets are hosted (`index.js`,
     * `webchugl.wasm`, `audio-worklet-processor.js`, `jszip.min.js`).
     * Must end with `/`. Defaults to the jsdelivr CDN.
     */
    whereIsChuGL?: string;
    /**
     * Array of ChuGins to load before the VM starts. Each entry is either
     * a URL string (fetched automatically) or a `{ name, buf }` object
     * with a pre-fetched ArrayBuffer. Loaded in parallel with WebGPU init.
     */
    chugins?: ChuginEntry[];
    /**
     * Register a service worker that injects COOP/COEP headers for
     * cross-origin isolation. Set to `false` if your server already
     * sends these headers. Defaults to `true`.
     */
    serviceWorker?: boolean;
    /** Audio configuration. */
    audioConfig?: AudioConfig;
    /** Progress callback, receives 0-100. */
    onProgress?: (pct: number) => void;
    /** Error callback, receives a message string. */
    onError?: (msg: string) => void;
    /** Called when WebGPU init completes and the canvas is ready for rendering. */
    onReady?: () => void;
}
/**
 * The ChuGL entry point. Call {@link ChuGL.init} to create a
 * {@link ChucK} instance.
 *
 * @example
 * import ChuGL from 'https://cdn.jsdelivr.net/npm/webchugl/+esm';
 *
 * var ck = await ChuGL.init({
 *     canvas: document.getElementById('canvas'),
 * });
 */
declare const ChuGL: {
    /**
     * Initialize WebChuGL and return a {@link ChucK} instance.
     * Multiple instances are supported — each call creates an independent
     * ChucK VM with its own canvas, audio, and graphics state.
     *
     * @param config - Configuration options.
     * @returns Resolves to a {@link ChucK} instance.
     *
     * @example
     * var ck = await ChuGL.init({
     *     canvas: document.getElementById('canvas'),
     *     chugins: ['./chugins/Bitcrusher.chug.wasm'],
     *     audioConfig: { sampleRate: 44100 },
     * });
     */
    init: (config: ChuGLConfig) => Promise<ChucK>;
};
export default ChuGL;
export { ChuGL };
export type { ChucK, RunResult, ChuGLConfig, ChuginEntry, AudioConfig, ShredInfo, ReplaceResult, GlobalVariableInfo, };