/**
 * Apply half-speed playback using the injected session dependencies.
 * @param {Object} [options]
 * @param {AudioContext} options.audioContext - required (throws when missing)
 * @param {AudioBuffer} options.buffer - required (throws when missing)
 * @param {Object|null} [options.audioProcessor=null]
 * @param {boolean} [options.preservePitch=false]
 */
export function applyLiveHalfSpeed({ audioContext, buffer, audioProcessor, preservePitch, }?: {
    audioContext: AudioContext;
    buffer: AudioBuffer;
    audioProcessor?: any | null;
    preservePitch?: boolean;
}): Promise<{
    speed: any;
    method: string;
    preservePitch: boolean;
} | {
    buffer: any;
    speed: any;
    method: string;
    preservePitch: any;
    newLoopLength: number;
}>;
/**
 * Apply double-speed playback using the injected session dependencies.
 * @param {Object} [options]
 * @param {AudioContext} options.audioContext - required (throws when missing)
 * @param {AudioBuffer} options.buffer - required (throws when missing)
 * @param {Object|null} [options.audioProcessor=null]
 * @param {boolean} [options.preservePitch=false]
 */
export function applyLiveDoubleSpeed({ audioContext, buffer, audioProcessor, preservePitch, }?: {
    audioContext: AudioContext;
    buffer: AudioBuffer;
    audioProcessor?: any | null;
    preservePitch?: boolean;
}): Promise<{
    speed: any;
    method: string;
    preservePitch: boolean;
} | {
    buffer: any;
    speed: any;
    method: string;
    preservePitch: any;
    newLoopLength: number;
}>;
export function resetLiveSpeed(): Promise<{
    speed: any;
    method: string;
    preservePitch: boolean;
} | {
    buffer: any;
    speed: any;
    method: string;
    preservePitch: any;
    newLoopLength: number;
}>;
export const liveSpeedController: LiveSpeedController;
declare class LiveSpeedController {
    currentSpeed: number;
    isActive: boolean;
    originalBuffer: any;
    speedBuffer: any;
    audioContext: any;
    audioProcessor: any;
    source: any;
    init(audioContext: any, buffer: any, audioProcessor?: any): void;
    applyLiveSpeed(targetSpeed: any, options?: {}): Promise<{
        speed: any;
        method: string;
        preservePitch: boolean;
    } | {
        buffer: any;
        speed: any;
        method: string;
        preservePitch: any;
        newLoopLength: number;
    }>;
    applyPlaybackRateSpeed(targetSpeed: any, fadeTime: any): Promise<{
        speed: any;
        method: string;
        preservePitch: boolean;
    }>;
    applyResampleSpeed(targetSpeed: any, preservePitch: any): Promise<{
        buffer: any;
        speed: any;
        method: string;
        preservePitch: any;
        newLoopLength: number;
    }>;
    halfSpeed(preservePitch?: boolean): Promise<{
        speed: any;
        method: string;
        preservePitch: boolean;
    } | {
        buffer: any;
        speed: any;
        method: string;
        preservePitch: any;
        newLoopLength: number;
    }>;
    doubleSpeed(preservePitch?: boolean): Promise<{
        speed: any;
        method: string;
        preservePitch: boolean;
    } | {
        buffer: any;
        speed: any;
        method: string;
        preservePitch: any;
        newLoopLength: number;
    }>;
    normalSpeed(): Promise<{
        speed: any;
        method: string;
        preservePitch: boolean;
    } | {
        buffer: any;
        speed: any;
        method: string;
        preservePitch: any;
        newLoopLength: number;
    }>;
    getSpeedInfo(): {
        currentSpeed: number;
        isActive: boolean;
        hasSpeedBuffer: boolean;
        method: string;
    };
}
export {};