private com.google.protobuf.SingleFieldBuilderV3<
              com.google.cloud.video.livestream.v1.Clip.TimeSlice,
              com.google.cloud.video.livestream.v1.Clip.TimeSlice.Builder,
              com.google.cloud.video.livestream.v1.Clip.TimeSliceOrBuilder>
          getTimeSliceFieldBuilder() {
        if (timeSliceBuilder_ == null) {
          if (!(kindCase_ == 1)) {
            kind_ = com.google.cloud.video.livestream.v1.Clip.TimeSlice.getDefaultInstance();
          }
          timeSliceBuilder_ =
              new com.google.protobuf.SingleFieldBuilderV3<
                  com.google.cloud.video.livestream.v1.Clip.TimeSlice,
                  com.google.cloud.video.livestream.v1.Clip.TimeSlice.Builder,
                  com.google.cloud.video.livestream.v1.Clip.TimeSliceOrBuilder>(
                  (com.google.cloud.video.livestream.v1.Clip.TimeSlice) kind_,
                  getParentForChildren(),
                  isClean());
          kind_ = null;
        }
        kindCase_ = 1;
        onChanged();
        return timeSliceBuilder_;
      }
<pre>
A slice in form of a tuple of Unix epoch time.
</pre>

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