import React from 'react';
export interface EQBand {
    freq: number;
    gain: number;
    q: number;
    type: BiquadFilterType;
    label?: string;
}
export interface EffectOptions {
    [key: string]: any;
}
export interface EffectsState {
    [effectName: string]: {
        enabled: boolean;
        options: EffectOptions;
    };
}
interface AudioContextType {
    audioRef: React.RefObject<HTMLAudioElement>;
    isPlaying: boolean;
    currentTime: number;
    duration: number;
    togglePlay: () => void;
    seek: (time: number) => void;
    eqBands: EQBand[];
    setEqBands: React.Dispatch<React.SetStateAction<EQBand[]>>;
    effectsState: EffectsState;
    setEffectsState: React.Dispatch<React.SetStateAction<EffectsState>>;
    analyserNode: AnalyserNode | null;
    isGraphReady: boolean;
}
export declare const AudioContext: React.Context<AudioContextType | null>;
export declare const useAudio: () => AudioContextType;
export {};