/**
 * Message buffering system for storing messages during disconnections
 */
import { BufferedMessage } from '../connections/events.js';
export interface MessageBufferConfig {
    maxSize: number;
    maxAge: number;
}
export declare class MessageBuffer {
    private config;
    private buffer;
    private messageIdCounter;
    constructor(config: MessageBufferConfig);
    /**
     * Add a message to the buffer
     * Returns the buffered message with metadata
     */
    add(data: string | ArrayBuffer | Blob): BufferedMessage;
    /**
     * Get all messages in the buffer
     */
    getAll(): BufferedMessage[];
    /**
     * Get messages that haven't exceeded max age
     */
    getValid(): BufferedMessage[];
    /**
     * Get and remove expired messages
     */
    getExpired(): BufferedMessage[];
    /**
     * Remove a specific message by ID
     */
    remove(messageId: string): BufferedMessage | null;
    /**
     * Clear all messages from the buffer
     */
    clear(): BufferedMessage[];
    /**
     * Increment attempt count for a message
     */
    incrementAttempt(messageId: string): boolean;
    /**
     * Get the current size of the buffer
     */
    size(): number;
    /**
     * Check if buffer is empty
     */
    isEmpty(): boolean;
    /**
     * Check if buffer is full
     */
    isFull(): boolean;
}