export declare enum ATTACHED_OBJECT_TYPE {
    accidental = 0,
    accent = 1,
    brackets = 2,
    lyrics = 3
}
/**
 * Base class for object that is attached to a note: accidental, accent, etc.
 */
export declare class AttachedObject {
    attachedObjectType: ATTACHED_OBJECT_TYPE;
    constructor(attachedObjectType: ATTACHED_OBJECT_TYPE);
}
export declare class Accidental extends AttachedObject {
    modifier: 'sharp' | 'flat';
    constructor(modifier: 'sharp' | 'flat');
}
export declare class Accent extends AttachedObject {
    constructor();
}
export declare class Brackets extends AttachedObject {
    constructor();
}
export declare class LyricsObject extends AttachedObject {
    text: string;
    constructor(text: string);
}