import { Desc, Description, Observable, ObservableSeed, Observer, Scope, ScopedObservable, TypeBitfield, Unsub } from "./abstractions";
import { Pipeable } from "./pipeable";
export declare abstract class ObservableSeedBase<V, C extends Observable<V>, O extends ScopedObservable<V>> extends Pipeable implements ObservableSeed<V, C, O> {
    abstract _L: TypeBitfield;
    abstract observableType(): string;
    desc: Description;
    constructor(desc: Desc);
    abstract consume(): C;
    abstract applyScope(scope: Scope): O;
    toString(): string;
    forEach(observer: Observer<V>): Unsub;
    log(message?: string): import("./abstractions").Callback;
}
export declare abstract class ObservableBase<V, O extends ScopedObservable<V>> extends ObservableSeedBase<V, Observable<V>, O> {
    abstract _L: TypeBitfield;
    constructor(desc: Desc);
    abstract subscribe(onValue: Observer<V>, onEnd?: Observer<void>): Unsub;
    forEach(observer: Observer<V>): Unsub;
    consume(): this;
}
export declare abstract class ObservableSeedImpl<V, C extends Observable<V>, O extends ScopedObservable<V>> extends ObservableSeedBase<V, C, O> {
    private _source;
    constructor(source: C);
    consume(): C;
}