public com.google.protobuf.ByteString
          getUriBytes() {
        java.lang.Object ref = uri_;
        if (ref instanceof String) {
          com.google.protobuf.ByteString b =
              com.google.protobuf.ByteString.copyFromUtf8(
                  (java.lang.String) ref);
          uri_ = b;
          return b;
        } else {
          return (com.google.protobuf.ByteString) ref;
        }
      }
<pre>
uri to the video, may not be an actual URL
</pre>

<code>string uri = 1;</code>
@return The bytes for uri.
benchmark/src/main/java/com/alibaba/fastjson2/benchmark/protobuf/MediaContentHolder.java