content: /*
   * Copyright 1999-2025 Alibaba Group Holding Ltd.
   *
   * 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
   *
   *      http://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.nacos.api.ai.model.mcp.registry;
  
  import com.fasterxml.jackson.annotation.JsonSubTypes;
  import com.fasterxml.jackson.annotation.JsonTypeInfo;
  
  /**
   * Argument union for MCP registry (named | positional).
   * Aligns with components.schemas.Argument.
   *
   * @author xinluo
   */
  @JsonTypeInfo(use = JsonTypeInfo.Id.NAME, property = "type")
  @JsonSubTypes({
          @JsonSubTypes.Type(value = PositionalArgument.class, name = "positional"),
          @JsonSubTypes.Type(value = NamedArgument.class, name = "named")
  })
  public interface Argument {
  }
  