export declare function convertToUnit(input: any, unit?: string): string | undefined;
export declare function resolveCssLength(value: number | string, referenceElement?: HTMLElement | null): number;
export declare function indexOf(array: any[], cb: (_element: any, _index: number) => boolean): number;
export declare function minCharWidth(str: string, count: number): string;
export declare function getResponsiveWeekdayLabel<TTimestamp>({ day, formatter, shortWeekdayLabel, cellWidth, breakpoints, minWeekdayLabel, forceMinWidth, }: {
    day: TTimestamp;
    formatter: (_day: TTimestamp, _short: boolean) => string;
    shortWeekdayLabel: boolean;
    cellWidth: number;
    breakpoints: readonly number[];
    minWeekdayLabel: number | string;
    forceMinWidth?: boolean;
}): string;
declare const _default: {
    convertToUnit: typeof convertToUnit;
    resolveCssLength: typeof resolveCssLength;
    getResponsiveWeekdayLabel: typeof getResponsiveWeekdayLabel;
    indexOf: typeof indexOf;
    minCharWidth: typeof minCharWidth;
};
export default _default;