import * as Tone from 'tone';
import { RecursivePartial } from './Types';
/** Allows the audio playback of notes */
export default class SynthInstrument {
    private gridWidth;
    private gridHeight;
    private numVoices;
    private scale;
    private noteOffset;
    private polyphony;
    private players;
    private currentPlayer;
    private notes;
    private noteLength;
    private destroyed;
    /**
     * Creates a synth instrument
     * @param {number} gridWidth - The width of the grid, in tiles
     * @param {number} gridHeight - The height of the grid, in tiles
     */
    constructor(gridWidth: number, gridHeight: number, noteLength: number, options?: RecursivePartial<Tone.SynthOptions>, filterOptions?: Partial<Tone.FilterOptions>);
    /**
     * Schedules a note at an (x, y) grid coordinate
     * to automatically play at the appropriate time and pitch
     * @param gridX - The x position of the note, in grid tiles
     * @param gridY  - The y position of the note, in grid tiles
     * @returns The id of the note that's been scheduled, for use with unscheduleNote()
     */
    scheduleNote(gridX: number, gridY: number): number;
    /**
     * Unschedules a note so that it will no longer play
     * @param id - The id of the note to unschedule
     */
    unscheduleNote(id: number): void;
    /**
     * Clear all notes from polyphony and stuff.
     */
    clearNotes(): void;
    /**
     * Get the x position on the grid where the playhead currently is
     * @returns The x position
     */
    getPlayheadX(): number;
    dispose(): void;
}