export type LaunchStreamKind = "logs" | "metrics";
export declare class LaunchStreamHub {
    private static instance;
    
    private readonly subscribers;
    
    private readonly statusSubscribers;
    static getInstance(): LaunchStreamHub;
    
    subscribe(configId: string, kind: LaunchStreamKind, send: (frame: string) => void): () => void;
    
    subscriberCount(configId: string, kind: LaunchStreamKind): number;
    
    subscribeStatus(send: (frame: string) => void): () => void;
    
    publishStatusRun(run: unknown): void;
    
    publish(configId: string, kind: LaunchStreamKind, id: number, data: unknown): void;
    
    publishState(configId: string, state: unknown): void;
}

export declare function getLaunchStreamHub(): LaunchStreamHub;