export declare function dispatchSingleHeartbeat(args: {
    tmuxSessionId: string;
    injectText: string;
    requestActivityTracker: {
        countActiveRequestsForTmuxSession(tmuxSessionId: string): number;
    };
    dryRun?: boolean;
}): Promise<Record<string, unknown>>;
export declare function triggerHeartbeatNow(args: {
    tmuxSessionId: string;
    requestActivityTracker: {
        countActiveRequestsForTmuxSession(tmuxSessionId: string): number;
    };
    injectText: string;
    dryRun?: boolean;
}): Promise<Record<string, unknown>>;
export declare function registerHeartbeatRuntimeHooks(server: {
    requestActivityTracker: {
        countActiveRequestsForTmuxSession(tmuxSessionId: string): number;
    };
}): Promise<void>;
export declare function clearHeartbeatRuntimeHooks(): Promise<void>;
export declare function getHeartbeatStateForTmuxSession(tmuxSessionId: string): Promise<unknown | null>;