import { DateOffsetKeys } from '../src/Contracts';
/**
 * The job of this method is to ensure that we pull less dependencies from
 * date-fns.
 */
export declare const calcUnits: (diffUnit: number, key: DateOffsetKeys, operator: string) => Date;
/**
 * An array of keys allowed for comparing date offset
 */
export declare const dateOffsetKeys: DateOffsetKeys[];