export abstract class MultiModalModel {
  /**
   * starts the model
   */
  abstract start(): Promise<void>;
  
  /**
   * stops the model
   */
  abstract stop(): Promise<void>;

  public abstract chat(optionsArg: {
    systemMessage: string,
    userMessage: string,
    messageHistory: {
      role: 'assistant' | 'user';
      content: string;
    }[]
  }): Promise<{
    role: 'assistant';
    message: string;
  }>
  
  /**
   * Defines a streaming interface for chat interactions.
   * The implementation will vary based on the specific AI model.
   * @param input
   */
  public abstract chatStream(input: ReadableStream<string>): Promise<ReadableStream<string>>;


}