/** Tools published as part of the package. */
import { TimeMonzo } from './monzo';
/**
 * Result from {@link subtensions} consisting of a relative interval and all of the spans it subtends (a set of 0-indexed interval classes).
 */
export type Subtender = {
    monzo: TimeMonzo;
    subtensions: Set<number>;
};
/**
 * Calculate all subtensions i.e 0-indexed interval classes associated with relative intervals.
 * @param monzos Musical intervals given as relative monzos not including the implicit unison at the start, but including the interval of repetition at the end.
 * @returns An array of subtensions associated with each interval found in the scale.
 */
export declare function subtensions(monzos: TimeMonzo[]): Subtender[];
/**
 * Determine if a scale has constant structure i.e. you can tell the interval class from the size of an interval.
 * @param monzos Musical intervals given as relative monzos not including the implicit unison at the start, but including the interval of repetition at the end.
 * @returns `true` if the scale has constant structure.
 */
export declare function hasConstantStructure(monzos: TimeMonzo[]): boolean;