public com.google.protobuf.Timestamp.Builder getMarkinTimeBuilder() {
        bitField0_ |= 0x00000001;
        onChanged();
        return getMarkinTimeFieldBuilder().getBuilder();
      }
<pre>
The mark-in Unix epoch time in the original live stream manifest.
</pre>

<code>.google.protobuf.Timestamp markin_time = 1;</code>
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/Clip.java