import { Observable } from "@configura/web-utilities";
import { CfgIOManager, IOManagerListener } from "./CfgIOManager.js";
/**
 * This class is used to coordinate sending and receiving using the observable
 * state in the class. It handles messages sent from the connectors.
 */
export declare class CfgObservableStateManager extends CfgIOManager<unknown> {
    private static _instance;
    static get instance(): CfgObservableStateManager;
    private constructor();
    readonly stateObservable: Observable<string>;
    private messagesState;
    get stateAsString(): string;
    set stateAsString(s: string);
    listenForStateChange(listener: (v: string) => void): void;
    stopListenForStateChange(listener: (v: string) => void): void;
    listenForMessage(l: IOManagerListener, messageKey: string): boolean;
    /**
     * Removes the listener
     */
    stopListenForMessage(l: IOManagerListener): boolean;
    private _stateListenerBound;
    private _stateListener;
    send(messageKey: string, data: unknown): void;
}
//# sourceMappingURL=CfgObservableStateManager.d.ts.map