@java.lang.Override
  public com.google.protobuf.ByteString getSourceUriBytes() {
    java.lang.Object ref = sourceUri_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      sourceUri_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }
<pre>
Required. Source URI for the live stream manifest.
</pre>

<code>string source_uri = 2 [(.google.api.field_behavior) = REQUIRED];</code>

@return The bytes for sourceUri.
java-video-stitcher/proto-google-cloud-video-stitcher-v1/src/main/java/com/google/cloud/video/stitcher/v1/LiveConfig.java