import { IDateTimeRangeFormatter, IRelativeTimeDropdownOption, IRelativeTimePickerOption } from './relative-time-picker.types';
import { DayjsTimeRange, ISelectSingleOptions, ITimezoneOffset, SelectedTimestamp } from '../../types';
export declare const buildRelativeTimeSelectOptions: (options: IRelativeTimePickerOption[][], timeZone?: string) => IRelativeTimeDropdownOption[][];
export declare const buildRelativeTimeGroupOptions: (options: IRelativeTimePickerOption[], timeZone: string) => IRelativeTimeDropdownOption[];
/**
 * Builds the description of the date
 * @param startDate start date
 * @param endDate end date
 * @param formatObject specifies how the dates and the separators should be read
 * @returns description of the range accordingly with the format object
 */
export declare const buildDateRangeDescription: ([startDate, endDate]: DayjsTimeRange, formatObject: IDateTimeRangeFormatter) => string;
export declare const getSelectedKeyRange: (options: IRelativeTimeDropdownOption[][], key: string) => SelectedTimestamp;
export declare const hasRangeChanged: (selectedRange: SelectedTimestamp, currentRange: SelectedTimestamp) => boolean;
export declare const isScrollNeeded: (options: IRelativeTimePickerOption[][], displayingCustomizeOption: boolean, displayingTimezoneDropdown: boolean) => boolean;
export declare const buildTimezonesDropdownOptions: (timezones: ITimezoneOffset[]) => ISelectSingleOptions;