import dayjs, { ConfigType, ManipulateType } from 'dayjs';
import { Options, PickerTimeRange } from './type';
export declare const CUSTOM = "custom";
export declare const CUSTOM_RANGE: PickerTimeRange;
export declare const getPickerTimeRanges: (value: number, unit: ManipulateType) => {
    start: () => dayjs.Dayjs;
    end: () => dayjs.Dayjs;
};
export declare const DEFAULT_OPTIONS: Options;
export declare const CHART_PICKER_TIME_RANGES: PickerTimeRange[];
export declare const dateValueOf: (date: ConfigType) => number;