@java.lang.Override
      public Builder clear() {
        super.clear();
        bitField0_ = 0;
        vertex_ = null;
        if (vertexBuilder_ != null) {
          vertexBuilder_.dispose();
          vertexBuilder_ = null;
        }
        vertexBinary_ = com.google.protobuf.ByteString.EMPTY;
        return this;
      }
<pre>
Union
</pre>

Protobuf type {@code VertexOrBinary}
llap-common/src/gen/protobuf/gen-java/org/apache/hadoop/hive/llap/daemon/rpc/LlapDaemonProtocolProtos.java