export type RulerSubdivision = 1 | 2 | 4;
/**
 * Keeps ruler details useful at every horizontal zoom level without turning
 * the header into a dense barcode.
 */
export declare function chooseRulerSubdivision(quarterNoteWidth: number): RulerSubdivision;
export declare function getRulerTickLength(kind: "measure" | "beat" | "subdivision"): number;