public final int getNumber() {
        if (this == UNRECOGNIZED) {
          throw new java.lang.IllegalArgumentException(
              "Can't get the number of an unknown enum value.");
        }
        return value;
      }
<pre>
Lists each segment from a template with $Number$ variable.
</pre>

<code>SEGMENT_TEMPLATE_NUMBER = 2;</code>
java-video-transcoder/proto-google-cloud-video-transcoder-v1/src/main/java/com/google/cloud/video/transcoder/v1/Manifest.java