public static com.google.cloud.vertexai.api.CachedContent.UsageMetadata parseFrom(
        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }
<pre>
Duration of audio in seconds.
</pre>

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

@return The audioDurationSeconds.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CachedContent.java