import { type RawData } from 'ws';
import type { Logger } from 'pino';
import type { MCPWebSocketConnection, WSMessage, ProtocolHandlerInterface } from './types.js';
import type { MCPResponse, AuthParams } from '../adapter.interface.js';
export declare class WebSocketProtocolHandler implements ProtocolHandlerInterface {
    private readonly logger;
    constructor(logger: Logger);
    sendMessage(connection: MCPWebSocketConnection, message: WSMessage): Promise<void>;
    sendRequestAndWaitForResponse(connection: MCPWebSocketConnection, message: WSMessage, timeout: number): Promise<MCPResponse>;
    authenticateConnection(connection: MCPWebSocketConnection, auth: AuthParams): Promise<void>;
    parseMessage(data: RawData): WSMessage;
    createMCPResponse(message: WSMessage, metadata?: Record<string, unknown>): MCPResponse;
    validateMessage(message: unknown): message is WSMessage;
}
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