/**
 * Type definitions for KAR Player
 */
export interface KarFileLyricLine {
    time: number;
    text: string;
    track: number;
    parts?: KarFileLyricPart[];
}
export interface KarFileLyricPart {
    time: number;
    text: string;
}
export interface KarFileMidiData {
    format: number;
    trackCount: number;
    timeDivision: number;
    ticksPerBeat?: number;
    frames?: number;
    ticksPerFrame?: number;
}
export interface MIDISong {
    duration: number;
    tracks: MIDITrack[];
    beats: MIDIBeat[];
}
export interface MIDITrack {
    notes: MIDINote[];
    program: number;
    volume: number;
}
export interface MIDINote {
    when: number;
    duration: number;
    pitch: number;
    slides?: any[];
}
export interface MIDIBeat {
    notes: MIDIBeatNote[];
    n: number;
    volume: number;
}
export interface MIDIBeatNote {
    when: number;
}
export interface LyricLine {
    time: number;
    text: string;
    track: number;
    parts: LyricPart[];
}
export interface LyricPart {
    time: number;
    text: string;
}
export interface KaraokePlayerConfig {
    /** AudioContext instance (optional, will create if not provided) */
    audioContext?: AudioContext;
    /**
     * SpessaSynth processor (AudioWorklet) URL
     * Required for SpessaSynth to work
     * Example: '/spessasynth_processor.min.js'
     * Can be set via environment variable in your app
     */
    processorUrl: string;
    /**
     * SoundFont file URL or ArrayBuffer
     * If string URL is provided, the library will fetch it
     * Example: '/assets/sounds/GeneralUserGS.sf3'
     * Can be set via environment variable in your app
     */
    soundFont?: string | ArrayBuffer;
    /** SoundFont bank name (default: 'main') */
    soundBankName?: string;
    /** Enable debug logging */
    debug?: boolean;
}
export interface KaraokePlayerState {
    isPlaying: boolean;
    currentTime: number;
    duration: number;
    volume: number;
}
export interface LoadKarFileResult {
    lyrics: KarFileLyricLine[];
    title?: string;
    artist?: string;
}
export type { LyricDisplayMode, LyricHighlightMode, LinePosition, LyricDisplayOptions, HighlightedLine, LyricHighlightState, LyricTheme, LyricRenderOptions } from './components';