public Builder clearEnd() {
        bitField0_ = (bitField0_ & ~0x00000002);
        end_ = null;
        if (endBuilder_ != null) {
          endBuilder_.dispose();
          endBuilder_ = null;
        }
        onChanged();
        return this;
      }
<pre>
End of the range. Non-existence indicates some bound (e.g. inf).
</pre>

<code>.google.cloud.visionai.v1.FacetValue end = 2;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/FacetBucket.java