@java.lang.Override
    public com.google.protobuf.Parser<UsageMetadata> getParserForType() {
      return PARSER;
    }
<pre>
Duration of audio in seconds.
</pre>

<code>int32 audio_duration_seconds = 5;</code>

@return This builder for chaining.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CachedContent.java