import { j as JSONRPCResponse, aw as JSONRPCError } from './extensions-DvruCIzw.cjs';
import { A as A2ARequestHandler, S as ServerCallContext } from './a2a_request_handler-B3LxMq3P.cjs';

/**
 * Handles JSON-RPC transport layer, routing requests to A2ARequestHandler.
 */
declare class JsonRpcTransportHandler {
    private requestHandler;
    constructor(requestHandler: A2ARequestHandler);
    /**
     * Handles an incoming JSON-RPC request.
     * For streaming methods, it returns an AsyncGenerator of JSONRPCResult.
     * For non-streaming methods, it returns a Promise of a single JSONRPCMessage (Result or ErrorResponse).
     */
    handle(requestBody: any, context?: ServerCallContext): Promise<JSONRPCResponse | AsyncGenerator<JSONRPCResponse, void, undefined>>;
    private isRequestValid;
    private paramsAreValid;
}

/**
 * Custom error class for A2A server operations, incorporating JSON-RPC error codes.
 */
declare class A2AError extends Error {
    code: number;
    data?: Record<string, unknown>;
    taskId?: string;
    constructor(code: number, message: string, data?: Record<string, unknown>, taskId?: string);
    /**
     * Formats the error into a standard JSON-RPC error object structure.
     */
    toJSONRPCError(): JSONRPCError;
    static parseError(message: string, data?: Record<string, unknown>): A2AError;
    static invalidRequest(message: string, data?: Record<string, unknown>): A2AError;
    static methodNotFound(method: string): A2AError;
    static invalidParams(message: string, data?: Record<string, unknown>): A2AError;
    static internalError(message: string, data?: Record<string, unknown>): A2AError;
    static taskNotFound(taskId: string): A2AError;
    static taskNotCancelable(taskId: string): A2AError;
    static pushNotificationNotSupported(): A2AError;
    static unsupportedOperation(operation: string): A2AError;
    static authenticatedExtendedCardNotConfigured(): A2AError;
}

export { A2AError as A, JsonRpcTransportHandler as J };