import { RhythmicBreakpointParams } from './types';
import { MusicalRatios } from 'musical-ratios';
import { MediaQueryManager } from 'media-query-manager';
export declare function centeredRange(start: number, end: number, stpSize?: number): number[];
export declare const defaultRatios: MusicalRatios[];
export declare class RhythmicBreakpoints extends MediaQueryManager {
    private _breakpointRatioMap;
    static createDefaultInstance({ delayInit }?: {
        delayInit?: boolean;
    }): MediaQueryManager;
    constructor(params?: RhythmicBreakpointParams);
    setBpInterval(breakPt: number, interval: string | MusicalRatios): void;
    getBpInterval(breakPt: number): string | MusicalRatios;
    get breakpointRatioMap(): Map<number, string>;
    set breakpointRatioMap(map: Map<number, string>);
    shiftBreakpoint(breakpoint: number, shift: number): number;
}
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