/**
 * Logging stream registry.
 *
 * - Registers subscriptions to log streams, keyed by source id
 * - Routes log lines to their subscribers
 * - Buffers logs during model loading, before a subscriber attaches
 * - Manages stream lifecycle (subscribe/unsubscribe)
 */
import type { LogLevel } from '@qvac/logging';
type StreamHandler = (level: LogLevel, namespace: string, message: string, sourceId: string) => void;
export declare function startLogBuffering(id: string): void;
export declare function stopLogBufferingWithTimeout(id: string): void;
export declare function registerLoggingStream(id: string, streamHandler: StreamHandler): void;
export declare function unregisterLoggingStream(id: string, streamHandler: StreamHandler): void;
export declare function unregisterAllLoggingStreams(id: string): void;
export declare function sendLogToStreams(id: string, level: LogLevel, namespace: string, message: string): void;
export declare function hasLoggingStreams(id: string): boolean | undefined;
export declare function getLoggingStreamStats(): {
    totalIds: number;
    ids: string[];
    totalStreams: number;
    bufferedIds: number;
    idsWithBuffering: number;
    activeTimeouts: number;
};
export declare function clearAllLoggingStreams(): void;
export {};