import { Observable } from 'rxjs';
import { StreamID } from '@dustil/streamid';
import { StreamState, RunningStateLike } from '@dustil/common';
export declare class StateLink extends Observable<StreamState> implements RunningStateLike {
    private readonly initial;
    private readonly state$;
    constructor(initial: StreamState, update$?: (init: StreamState) => Observable<StreamState>);
    next(state: StreamState): void;
    get state(): StreamState;
    get value(): StreamState;
    get id(): StreamID;
}
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