/**
 * Files Stream Endpoint
 *
 * Stream endpoint for file-related real-time events.
 * Handles upload, download, and document generation progress.
 *
 * @example
 * ```typescript
 * // Register in StreamRegistry
 * await StreamRegistry.initialize({
 *   broadcaster: streamServer.getBroadcaster(),
 *   endpoints: [
 *     { endpoint: FilesStreamEndpoint, config: { enabled: true } },
 *   ],
 * });
 * ```
 */
import { BaseStreamEndpoint } from '../../../events/streaming/base/BaseStreamEndpoint';
import type { BaseChannelController } from '../../../events/streaming/channels/BaseChannelController';
import type { StreamEndpointConfig, StreamEndpointCreateOptions } from '@plyaz/types/core';
/**
 * FilesStreamEndpoint - Handles file streaming events
 *
 * Channels managed:
 * - `upload:{fileId}` - Per-file upload progress
 * - `uploads` - All uploads broadcast
 * - `download:{fileId}` - Per-file download progress
 * - `downloads` - All downloads broadcast
 * - `generate:{templateId}` - Per-template generation progress
 * - `generations` - All generations broadcast
 */
export declare class FilesStreamEndpoint extends BaseStreamEndpoint {
    /** Static endpoint key for registry lookup */
    static readonly endpointKey = "files";
    /**
     * Create channel controller for this endpoint.
     */
    protected createChannelController(): BaseChannelController;
    /**
     * Initialize event subscriptions.
     * Called by StreamRegistry during initialization.
     */
    initialize(): void;
    /**
     * Static factory method for creating endpoint instances.
     *
     * @param config - Endpoint configuration
     * @param options - Create options (broadcaster, auth, etc.)
     * @returns Promise resolving to endpoint instance
     */
    static create(config: StreamEndpointConfig, options: StreamEndpointCreateOptions): Promise<FilesStreamEndpoint>;
}
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