import { Note, PianoRollTheme, KeyboardConfig, AnimationConfig, AudioEngine, PlaybackController } from '../types';
export interface PianoRollProps {
    /**
     * Array of notes to display and play
     */
    notes: Note[];
    /**
     * Theme customization
     */
    theme?: Partial<PianoRollTheme>;
    /**
     * Keyboard configuration
     */
    keyboardConfig?: Partial<KeyboardConfig>;
    /**
     * Animation configuration
     */
    animationConfig?: Partial<AnimationConfig>;
    /**
     * Custom audio engine (optional)
     * If not provided, uses default piano engine or MusyngKite engine if instrument is specified
     */
    audioEngine?: AudioEngine;
    /**
     * Instrument selection for MusyngKite SoundFont
     * Can be a MIDI program number (0-127) or instrument name (e.g., 'acoustic_grand_piano', 'trumpet')
     * If specified, uses MusyngKiteAudioEngine instead of default PianoAudioEngine
     */
    instrument?: string | number;
    /**
     * Custom SoundFont URL (optional)
     * Only used when instrument is specified
     * Default: Uses built-in MusyngKite SoundFont
     */
    soundfontUrl?: string;
    /**
     * Width of the component (auto-calculated if not provided)
     */
    width?: number;
    /**
     * Height of the note roll area
     */
    rollHeight?: number;
    /**
     * Callback when playback state changes
     */
    onStateChange?: (state: 'playing' | 'paused' | 'stopped') => void;
    /**
     * Callback when playback time changes
     */
    onTimeUpdate?: (time: number) => void;
    /**
     * Allow playback to continue in background tabs
     */
    allowBackgroundPlayback?: boolean;
}
export interface PianoRollHandle extends PlaybackController {
    /**
     * Get the current playback time
     */
    currentTime: number;
}
/**
 * Main PianoRoll component
 * Combines keyboard, note visualization, and audio playback
 */
export declare const PianoRoll: import('react').ForwardRefExoticComponent<PianoRollProps & import('react').RefAttributes<PianoRollHandle>>;
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