export interface LogEntry {
    categoryTag?: string;
    level: "debug" | "error" | "info" | "warn";
    message: string;
    timestamp: string;
}
/**
 * Emits a log entry to all subscribed SSE clients.
 * @param entry - The log entry to broadcast.
 */
export declare function emitLogEntry(entry: LogEntry): void;
/**
 * Subscribes a callback to receive log entries. Returns an unsubscribe function.
 * @param callback - Function to call when a log entry is emitted.
 * @returns A function to unsubscribe the callback.
 */
export declare function subscribeToLogs(callback: (entry: LogEntry) => void): () => void;