public GenerateContentResponse generateContent(Content content) throws IOException {
    return generateContent(Arrays.asList(content));
  }
Generates content from this model given a single content.

@param content a {@link com.google.cloud.vertexai.api.Content} to send to the generative model
@return a {@link com.google.cloud.vertexai.api.GenerateContentResponse} instance that contains
    response contents and other metadata
@throws IOException if an I/O error occurs while making the API call
java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/generativeai/GenerativeModel.java