/**
 * Streaming Configuration Constants
 *
 * Default configuration values for the SSE/WebSocket streaming system.
 * These can be overridden at runtime through configuration objects.
 *
 * @module src/streaming/constants
 */
import type { StreamChannel } from '@plyaz/types/core';
/**
 * Server Configuration
 *
 * Default values for StreamServer and transport adapters
 */
export declare const STREAMING_SERVER_CONFIG: {
    /**
     * Default heartbeat interval in milliseconds
     * Keeps connections alive and detects stale clients
     */
    readonly HEARTBEAT_INTERVAL_MS: 30000;
    /**
     * Maximum number of concurrent connections per server
     */
    readonly MAX_CONNECTIONS: 1000;
    /**
     * Default channels to subscribe new connections to
     */
    readonly DEFAULT_CHANNELS: StreamChannel[];
};
/**
 * Client Configuration
 *
 * Default values for client-side streaming hooks
 */
export declare const STREAMING_CLIENT_CONFIG: {
    /**
     * Delay before attempting to reconnect after disconnect
     */
    readonly RECONNECT_DELAY_MS: 1000;
    /**
     * Maximum reconnection attempts before giving up
     */
    readonly MAX_RECONNECT_ATTEMPTS: 10;
    /**
     * Default SSE endpoint path
     */
    readonly SSE_ENDPOINT: "/api/events/stream";
};
/**
 * Buffer Configuration
 *
 * Default values for message buffering
 */
export declare const STREAMING_BUFFER_CONFIG: {
    /**
     * Default buffer size for queued messages (1KB)
     */
    readonly DEFAULT_BUFFER_SIZE: 1024;
    /**
     * Flush interval for buffered messages
     */
    readonly FLUSH_INTERVAL_MS: 1000;
    /**
     * Maximum buffer size before forced flush (10MB)
     */
    readonly MAX_BUFFER_SIZE: number;
};
/**
 * Streaming Package Configuration
 *
 * Aggregated configuration object for streaming system
 */
export declare const STREAMING_PACKAGE_CONFIG: {
    readonly SERVER: {
        /**
         * Default heartbeat interval in milliseconds
         * Keeps connections alive and detects stale clients
         */
        readonly HEARTBEAT_INTERVAL_MS: 30000;
        /**
         * Maximum number of concurrent connections per server
         */
        readonly MAX_CONNECTIONS: 1000;
        /**
         * Default channels to subscribe new connections to
         */
        readonly DEFAULT_CHANNELS: StreamChannel[];
    };
    readonly CLIENT: {
        /**
         * Delay before attempting to reconnect after disconnect
         */
        readonly RECONNECT_DELAY_MS: 1000;
        /**
         * Maximum reconnection attempts before giving up
         */
        readonly MAX_RECONNECT_ATTEMPTS: 10;
        /**
         * Default SSE endpoint path
         */
        readonly SSE_ENDPOINT: "/api/events/stream";
    };
    readonly BUFFER: {
        /**
         * Default buffer size for queued messages (1KB)
         */
        readonly DEFAULT_BUFFER_SIZE: 1024;
        /**
         * Flush interval for buffered messages
         */
        readonly FLUSH_INTERVAL_MS: 1000;
        /**
         * Maximum buffer size before forced flush (10MB)
         */
        readonly MAX_BUFFER_SIZE: number;
    };
};
/**
 * Streaming Defaults (Flat)
 *
 * Flattened defaults for direct import compatibility
 * with existing code using STREAMING_DEFAULTS
 */
export declare const STREAMING_DEFAULTS: {
    readonly HEARTBEAT_INTERVAL_MS: 30000;
    readonly MAX_CONNECTIONS: 1000;
    readonly DEFAULT_CHANNELS: StreamChannel[];
    readonly RECONNECT_DELAY_MS: 1000;
    readonly MAX_RECONNECT_ATTEMPTS: 10;
    readonly SSE_ENDPOINT: "/api/events/stream";
};
/**
 * Type for streaming defaults
 */
export type StreamingDefaults = typeof STREAMING_DEFAULTS;
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