private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.video.stitcher.v1.LiveSession,
            com.google.cloud.video.stitcher.v1.LiveSession.Builder,
            com.google.cloud.video.stitcher.v1.LiveSessionOrBuilder>
        getLiveSessionFieldBuilder() {
      if (liveSessionBuilder_ == null) {
        liveSessionBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.video.stitcher.v1.LiveSession,
                com.google.cloud.video.stitcher.v1.LiveSession.Builder,
                com.google.cloud.video.stitcher.v1.LiveSessionOrBuilder>(
                getLiveSession(), getParentForChildren(), isClean());
        liveSession_ = null;
      }
      return liveSessionBuilder_;
    }
<pre>
Required. Parameters for creating a live session.
</pre>

<code>
.google.cloud.video.stitcher.v1.LiveSession live_session = 2 [(.google.api.field_behavior) = REQUIRED];
</code>
java-video-stitcher/proto-google-cloud-video-stitcher-v1/src/main/java/com/google/cloud/video/stitcher/v1/CreateLiveSessionRequest.java