import React from 'react';
export declare const isFormattedDatePattern: (formatStr?: string | null) => boolean;
export declare const parseDateValue: (value?: string | null, formatStr?: string | null) => Date | null;
export declare const formatDateValue: (date: Date, formatStr: string) => string;
export declare const getDateDisplayValue: (rawValue: string | undefined, formatStr: string | null | undefined, fallbackValue?: string | null) => string;
export declare const mergeInputRefs: (...refs: Array<React.Ref<HTMLInputElement> | null | undefined>) => (node: HTMLInputElement | null) => void;
export declare const isOutsideDatePicker: (target: Node, inputNode: HTMLInputElement | null) => boolean;