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 io.agentscope.core.message;
  
  /**
   * Base class for all content blocks in messages.
   * Content blocks represent different types of content that can be included in a message,
   * such as text, images, audio, video, or thinking content.
   */
  public abstract class ContentBlock {
  
      /**
       * Get the type of this content block.
       * @return the content block type
       */
      public abstract ContentBlockType getType();
  }
  