import { Duration, Moment } from 'moment';
import { BehaviorSubject, Observable } from 'rxjs';
export interface SplitDateTime {
    date: Moment;
}
export declare function splitDateTime(date: Moment): {
    day: Moment;
    time: Duration;
};
export declare function joinDateTime(day: Moment, time: Duration): Moment;
export declare function mutableDateTime$(date: Moment): {
    day: BehaviorSubject<Moment>;
    time: BehaviorSubject<Duration>;
};
export declare function joinDateTime$(day: Observable<Moment>, time: Observable<Duration>): Observable<Moment>;