import type { Server, ServerResponse } from 'node:http';
/** HTTP-layer owner for the daemon's permanent SSE response state. */
export interface DaemonSseRegistry {
    readonly size: number;
    add(response: ServerResponse): void;
    delete(response: ServerResponse): void;
    broadcast(message: string): void;
    closeAll(): void;
}
export declare function createDaemonSseRegistry(): DaemonSseRegistry;
/** Server-wide owner for responses whose handler returned without ending them. */
export interface DaemonDetachedResponseRegistry {
    readonly size: number;
    track(response: ServerResponse): void;
    closeAll(): void;
}
export declare function createDaemonDetachedResponseRegistry(): DaemonDetachedResponseRegistry;
/**
 * Close permanent HTTP streams first, then stop admission and wait for the
 * server's finite callbacks to drain while their dependencies are still live.
 */
export declare function closeDaemonHttpServer(server: Pick<Server, 'close'>, detachedResponses: DaemonDetachedResponseRegistry): Promise<void>;
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