content: /*
   * Copyright 2024-2025 the original author or authors.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     https://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.alibaba.cloud.ai.a2a.constants;
  
  /**
   * A2a protocol constants.
   *
   * @author xiweng.yy
   */
  public class A2aConstants {
  
  	public static final String DEFAULT_A2A_PROTOCOL_VERSION = "0.2.5";
  
  	public static final String DEFAULT_AGENT_VERSION = "1.0.0";
  
  	public static final String AGENT_TRANSPORT_TYPE_JSON_RPC = "JSONRPC";
  
  	public static final String AGENT_TRANSPORT_TYPE_GRPC = "GRPC";
  
  	public static final String AGENT_TRANSPORT_TYPE_REST = "HTTP+JSON";
  
  }
  