@java.lang.Override
  public java.util.List<com.google.cloud.vertexai.api.Tool> getToolsList() {
    return tools_;
  }
<pre>
Optional. Input only. Immutable. A list of `Tools` the model may use to
generate the next response
</pre>

<code>
repeated .google.cloud.vertexai.v1.Tool tools = 5 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = INPUT_ONLY];
</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CachedContent.java