import { Observable } from '../Observable';
import { ObservableInput, SchedulerLike, ObservedValueOf } from '../types';
/** @deprecated Use {@link scheduled} and {@link concatAll} (e.g. `scheduled([o1, o2, o3], scheduler).pipe(concatAll())`) */
export declare function concat<O1 extends ObservableInput<any>>(v1: O1, scheduler: SchedulerLike): Observable<ObservedValueOf<O1>>;
/** @deprecated Use {@link scheduled} and {@link concatAll} (e.g. `scheduled([o1, o2, o3], scheduler).pipe(concatAll())`) */
export declare function concat<O1 extends ObservableInput<any>, O2 extends ObservableInput<any>>(v1: O1, v2: O2, scheduler: SchedulerLike): Observable<ObservedValueOf<O1> | ObservedValueOf<O2>>;
/** @deprecated Use {@link scheduled} and {@link concatAll} (e.g. `scheduled([o1, o2, o3], scheduler).pipe(concatAll())`) */
export declare function concat<O1 extends ObservableInput<any>, O2 extends ObservableInput<any>, O3 extends ObservableInput<any>>(v1: O1, v2: O2, v3: O3, scheduler: SchedulerLike): Observable<ObservedValueOf<O1> | ObservedValueOf<O2> | ObservedValueOf<O3>>;
/** @deprecated Use {@link scheduled} and {@link concatAll} (e.g. `scheduled([o1, o2, o3], scheduler).pipe(concatAll())`) */
export declare function concat<O1 extends ObservableInput<any>, O2 extends ObservableInput<any>, O3 extends ObservableInput<any>, O4 extends ObservableInput<any>>(v1: O1, v2: O2, v3: O3, v4: O4, scheduler: SchedulerLike): Observable<ObservedValueOf<O1> | ObservedValueOf<O2> | ObservedValueOf<O3> | ObservedValueOf<O4>>;
/** @deprecated Use {@link scheduled} and {@link concatAll} (e.g. `scheduled([o1, o2, o3], scheduler).pipe(concatAll())`) */
export declare function concat<O1 extends ObservableInput<any>, O2 extends ObservableInput<any>, O3 extends ObservableInput<any>, O4 extends ObservableInput<any>, O5 extends ObservableInput<any>>(v1: O1, v2: O2, v3: O3, v4: O4, v5: O5, scheduler: SchedulerLike): Observable<ObservedValueOf<O1> | ObservedValueOf<O2> | ObservedValueOf<O3> | ObservedValueOf<O4> | ObservedValueOf<O5>>;
/** @deprecated Use {@link scheduled} and {@link concatAll} (e.g. `scheduled([o1, o2, o3], scheduler).pipe(concatAll())`) */
export declare function concat<O1 extends ObservableInput<any>, O2 extends ObservableInput<any>, O3 extends ObservableInput<any>, O4 extends ObservableInput<any>, O5 extends ObservableInput<any>, O6 extends ObservableInput<any>>(v1: O1, v2: O2, v3: O3, v4: O4, v5: O5, v6: O6, scheduler: SchedulerLike): Observable<ObservedValueOf<O1> | ObservedValueOf<O2> | ObservedValueOf<O3> | ObservedValueOf<O4> | ObservedValueOf<O5> | ObservedValueOf<O6>>;
export declare function concat<O1 extends ObservableInput<any>>(v1: O1): Observable<ObservedValueOf<O1>>;
export declare function concat<O1 extends ObservableInput<any>, O2 extends ObservableInput<any>>(v1: O1, v2: O2): Observable<ObservedValueOf<O1> | ObservedValueOf<O2>>;
export declare function concat<O1 extends ObservableInput<any>, O2 extends ObservableInput<any>, O3 extends ObservableInput<any>>(v1: O1, v2: O2, v3: O3): Observable<ObservedValueOf<O1> | ObservedValueOf<O2> | ObservedValueOf<O3>>;
export declare function concat<O1 extends ObservableInput<any>, O2 extends ObservableInput<any>, O3 extends ObservableInput<any>, O4 extends ObservableInput<any>>(v1: O1, v2: O2, v3: O3, v4: O4): Observable<ObservedValueOf<O1> | ObservedValueOf<O2> | ObservedValueOf<O3> | ObservedValueOf<O4>>;
export declare function concat<O1 extends ObservableInput<any>, O2 extends ObservableInput<any>, O3 extends ObservableInput<any>, O4 extends ObservableInput<any>, O5 extends ObservableInput<any>>(v1: O1, v2: O2, v3: O3, v4: O4, v5: O5): Observable<ObservedValueOf<O1> | ObservedValueOf<O2> | ObservedValueOf<O3> | ObservedValueOf<O4> | ObservedValueOf<O5>>;
export declare function concat<O1 extends ObservableInput<any>, O2 extends ObservableInput<any>, O3 extends ObservableInput<any>, O4 extends ObservableInput<any>, O5 extends ObservableInput<any>, O6 extends ObservableInput<any>>(v1: O1, v2: O2, v3: O3, v4: O4, v5: O5, v6: O6): Observable<ObservedValueOf<O1> | ObservedValueOf<O2> | ObservedValueOf<O3> | ObservedValueOf<O4> | ObservedValueOf<O5> | ObservedValueOf<O6>>;
export declare function concat<O extends ObservableInput<any>>(...observables: O[]): Observable<ObservedValueOf<O>>;
/** @deprecated Use {@link scheduled} and {@link concatAll} (e.g. `scheduled([o1, o2, o3], scheduler).pipe(concatAll())`) */
export declare function concat<O extends ObservableInput<any>>(...observables: (O | SchedulerLike)[]): Observable<ObservedValueOf<O>>;
export declare function concat<R>(...observables: ObservableInput<any>[]): Observable<R>;
/** @deprecated Use {@link scheduled} and {@link concatAll} (e.g. `scheduled([o1, o2, o3], scheduler).pipe(concatAll())`) */
export declare function concat<R>(...observables: (ObservableInput<any> | SchedulerLike)[]): Observable<R>;