public Builder mergeFrom(com.google.cloud.vision.v1p4beta1.WebDetection.WebLabel other) {
        if (other == com.google.cloud.vision.v1p4beta1.WebDetection.WebLabel.getDefaultInstance())
          return this;
        if (!other.getLabel().isEmpty()) {
          label_ = other.label_;
          bitField0_ |= 0x00000001;
          onChanged();
        }
        if (!other.getLanguageCode().isEmpty()) {
          languageCode_ = other.languageCode_;
          bitField0_ |= 0x00000002;
          onChanged();
        }
        this.mergeUnknownFields(other.getUnknownFields());
        onChanged();
        return this;
      }
<pre>
Label to provide extra metadata for the web detection.
</pre>

Protobuf type {@code google.cloud.vision.v1p4beta1.WebDetection.WebLabel}
java-vision/proto-google-cloud-vision-v1p4beta1/src/main/java/com/google/cloud/vision/v1p4beta1/WebDetection.java