import { DateTime } from 'luxon';
import type { TimePickerDescriptorUnit } from './time-picker.types';
export type TimePickerCandidateRange = {
    start: DateTime;
    end: DateTime;
};
export declare function getCandidateRangeForUnit(unit: TimePickerDescriptorUnit, candidate: DateTime): TimePickerCandidateRange | null;
export declare function isSelectableForUnitWithinBounds(unit: TimePickerDescriptorUnit, candidate: DateTime, bounds: {
    min: DateTime | null;
    max: DateTime | null;
}): boolean;