import type { Keymap, SpecialKeymap } from './Keymap';
import type { Note } from './Note';
export interface KeyboardOptions {
    /**
     * The number of keys that can be active simultaneously.
     * @default 10
     */
    polyphony: number;
    /**
     * The number of rows of keys.
     * @default 1
     */
    rows: 1 | 2;
    /**
     * Determines the priority of the note triggers. Priority only takes effect when
     * the number of keys being pressed down exceeds the polyphony (e.g. when the polyphony
     * is 1 but a second key is pressed).
     * - "last": prefer the last note(s) pressed
     * - "first": prefer the first note(s) pressed
     * - "highest": prefer the highest note(s) pressed
     * - "lowest": prefer the lowest note(s) pressed
     * For more on note priority, check out this {@link https://web.archive.org/web/20150913012148/http://www.soundonsound.com/sos/oct00/articles/synthsec.htm Sound on Sound article}.
     * @default "last"
     */
    priority: 'last' | 'first' | 'highest' | 'lowest';
    /**
     * Determines what note the lowest key on the keyboard will represent.
     * @default 60
     * @remarks Keep in mind that setting it to a note other than `C` (`36`, `48`, `60`, `72`, `84`, etc.)
     * will result in the key mappings not lining up like a regular keyboard!
     */
    rootNote: number;
    /**
     * Determines whether or not the Z and X keys change the octaves when rows is set to 1.
     */
    octaveControls: boolean;
    /**
     * The current / default octave.
     */
    octave: number;
    /**
     * Determines whether or not the number keys set the velocity of the notes being triggered.
     * Keep in mind that velocity is just a number— you have to interpret it in your sounds!
     * @default true
     */
    velocityControls: boolean;
    /**
     * Optional default note intensity.
     */
    velocity: number;
    /**
     * A map of keyboard keys to midi notes.
     */
    keymap?: Keymap;
    /**
     * A map of keyboard number keys to velocity amounts. `[1, 2 ... 9, 0]` maps to `[0 ... 127]`
     */
    specialKeymap?: SpecialKeymap;
    /**
     * The width of the keyboard.
     * @default 600
     */
    width: number;
    /**
     * The height of the keyboard.
     * @default 200
     */
    height: number;
    /**
     * Whether or not event listeners should be added to the windows keyboard events automatically.
     * @default true
     **/
    eventListeners: boolean;
}
export interface State extends KeyboardOptions {
    /**
     * Array of notes currently being pressed down.
     */
    keys: Note[];
    /**
     * Array of notes currently being played
     */
    buffer: Note[];
}