export type AppBlinkRenderScope = "status-line" | "full";
export type AppBlinkControllerHost = {
    render(): void;
    renderStatusLine?(): void;
};
export declare class AppBlinkController {
    private readonly host;
    private readonly consumers;
    private timer;
    constructor(host: AppBlinkControllerHost);
    setActive(key: string, active: boolean, options: {
        scope: AppBlinkRenderScope;
        initialVisible?: boolean;
        resetVisible?: boolean;
    }): void;
    visible(key: string, fallback?: boolean): boolean;
    dispose(): void;
    private syncTimer;
    private hasActiveConsumers;
    private startTimer;
    private stopTimer;
    private tick;
}