@java.lang.Override
    public com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder getCacheTokensDetailsOrBuilder(
        int index) {
      return cacheTokensDetails_.get(index);
    }
<pre>
Output only. List of modalities of the cached content in the request
input.
</pre>

<code>
repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerateContentResponse.java