import { MediaInput } from '../types';
declare const WebAudioDecoder_base: {
    new (...args: any[]): {
        _handlers: {};
        _regexHandlers: {
            pattern: RegExp;
            callback: (event: {
                type: any;
                detail: any;
            }) => void;
            once?: boolean;
        }[];
        on<K extends never>(eventType: RegExp, callback: (event: {
            type: K;
            detail: {}[K];
        }) => void, options?: {
            once?: boolean;
        }): () => void;
        on<K extends never>(eventType: K, callback: (event: {}[K]) => void, options?: {
            once?: boolean;
        }): () => void;
        off<K extends never>(handle: RegExp | (() => void) | (() => void)[] | K, callback?: ((event: {}[K]) => void) | undefined): void;
        offAny(): void;
        emit<K extends never>(eventType: K, detail: {}[K]): void;
    };
};
export declare class WebAudioDecoder extends WebAudioDecoder_base {
    private input;
    private buffers;
    constructor(input: MediaInput);
    /**
     * Decodes an audio file or URL and returns a resampled AudioBuffer.
     * @param input - Either a File, Blob, or URL string.
     * @returns Promise<AudioBuffer>
     */
    decode(numberOfChannels?: number, sampleRate?: number, cache?: boolean): Promise<AudioBuffer>;
    dispose(): Promise<void>;
}
export {};