public Builder mergeMinLatLng(com.google.type.LatLng value) {
      if (minLatLngBuilder_ == null) {
        if (((bitField0_ & 0x00000001) != 0)
            && minLatLng_ != null
            && minLatLng_ != com.google.type.LatLng.getDefaultInstance()) {
          getMinLatLngBuilder().mergeFrom(value);
        } else {
          minLatLng_ = value;
        }
      } else {
        minLatLngBuilder_.mergeFrom(value);
      }
      if (minLatLng_ != null) {
        bitField0_ |= 0x00000001;
        onChanged();
      }
      return this;
    }
<pre>
Min lat/long pair.
</pre>

<code>.google.type.LatLng min_lat_lng = 1;</code>
java-vision/proto-google-cloud-vision-v1p2beta1/src/main/java/com/google/cloud/vision/v1p2beta1/LatLongRect.java