import type { INote } from "../types";
import { XmlObject } from "../XmlObject";
import { Timeline } from "./timeline";
export declare class Note extends XmlObject implements INote {
    time: number;
    duration: number;
    key: number;
    channel?: number;
    velocity?: number;
    releaseVelocity?: number;
    content?: Timeline;
    constructor(time?: number, duration?: number, key?: number, channel?: number, velocity?: number, releaseVelocity?: number, content?: Timeline);
    toXmlObject(): any;
    fromXmlObject(xmlObject: any): this;
}