import * as React from 'react';
import { IDateControlProps } from '.';
import { FormItem, IFormItemStates } from './common/FomItem';
export interface IDateRangeProps extends Omit<IDateControlProps, '_onKeyDown' | 'extraFooter'> {
    value: string | number | undefined | null;
    oldValue: string | number | undefined | null;
    placeholder: string;
}
interface IStates extends IFormItemStates {
    dateRangeIsFocused?: boolean;
    endDateMinimumDate?: string;
}
export declare class DateRange extends FormItem<IDateRangeProps, IStates> {
    private lastFocusState;
    private startDateRef;
    private endDateRef;
    static defaultProps: {
        size: string;
        variant: string;
        startDate: undefined;
        endDate: undefined;
        defaultPickerDate: undefined;
        dateFormat: string;
        defaultSelectTime: string;
        resultValueAs: string;
        name: undefined;
        value: undefined;
        error: undefined;
        oldValue: undefined;
        comparing: boolean;
        required: boolean;
        autoFocus: boolean;
        placeholder: undefined;
        disabled: boolean;
        showToday: boolean;
        onValueChanged: () => undefined;
        customValidate: () => undefined;
        innerClass: undefined;
        onFocus: () => undefined;
        onBlur: () => undefined;
        _onOkClicked: undefined;
        _shouldShowCalender: undefined;
    };
    componentDidMount(): void;
    componentDidUpdate(prevProps: IDateRangeProps): void;
    render(): React.JSX.Element;
    validate(option?: {
        silentValidation?: boolean | undefined;
    }): string | undefined;
    protected valueToDisplayValue(value: string | null | undefined): string;
    private handleChangeValue;
    private extractStartOrEndDate;
    private extractPlaceholder;
    private getPassOnProps;
    private onParentFocusChanged;
    private handleOnKeyDown;
    private checkNeedToRestrictEndDateMinimumDate;
}
export {};