import React from 'react';
import { Validator, UseValidationProps } from '@interface-technologies/iti-react-core';
/**
 * The value type of the [[`TimeInput`]] component.
 *
 * `hours` will always be between 1 and 12.
 *
 * We don't do `TimeInputValue = Moment` because representing time of day with a datetime
 * leads to DST bugs.
 */
export type TimeInputValue = {
    hours: number | undefined;
    minutes: number | undefined;
    ampm: 'am' | 'pm' | undefined;
};
export declare const defaultTimeInputValue: TimeInputValue;
/**
 * Example:
 *
 * ```
 * timeInputValueFromDecimalHours(9.75)
 * // returns { hours: 9, minutes: 45, ampm: 'am' }
 * ```
 *
 * @returns a [[`TimeInputValue`]] or `undefined` if `decimalHours` is `undefined`.
 */
export declare function timeInputValueFromDecimalHours(decimalHours: number | undefined): TimeInputValue;
export declare function timeInputValueToDecimalHours(value: TimeInputValue): number | undefined;
/** See [[`DefaultClearButtonComponent`]] and [[`TimeInput`]]. */
export interface ClearButtonComponentProps {
    onClick(): void;
    enabled: boolean;
}
/**
 * The default clear button used in [[`TimeInput`]]. You can provide a different
 * clear button component if you want.
 */
export declare function DefaultClearButtonComponent({ onClick, enabled, }: ClearButtonComponentProps): React.ReactElement;
export interface TimeInputProps extends UseValidationProps<TimeInputValue> {
    individualInputsRequired: boolean;
    enabled?: boolean;
    isClearable?: boolean;
    clearButtonComponent?: React.FunctionComponent<ClearButtonComponentProps>;
}
/**
 * A time of day input with dropdowns for hours, minutes, and am/pm.
 *
 * Make sure to pass `individualInputsRequired=true` and `isClearable=false`
 * as well as `TimeValidators.required()` if the time is required.
 *
 * It's not the most performant or user-friendly component but it has gotten the job
 * done so far.
 */
export declare const TimeInput: React.NamedExoticComponent<TimeInputProps>;
declare function required(): Validator<TimeInputValue>;
/** Validators for use with [[`TimeInput`]]. */
export declare const TimeValidators: {
    required: typeof required;
};
export {};