public Builder mergeFrom(
          com.google.cloud.vision.v1p1beta1.TextAnnotation.TextProperty other) {
        if (other
            == com.google.cloud.vision.v1p1beta1.TextAnnotation.TextProperty.getDefaultInstance())
          return this;
        if (detectedLanguagesBuilder_ == null) {
          if (!other.detectedLanguages_.isEmpty()) {
            if (detectedLanguages_.isEmpty()) {
              detectedLanguages_ = other.detectedLanguages_;
              bitField0_ = (bitField0_ & ~0x00000001);
            } else {
              ensureDetectedLanguagesIsMutable();
              detectedLanguages_.addAll(other.detectedLanguages_);
            }
            onChanged();
          }
        } else {
          if (!other.detectedLanguages_.isEmpty()) {
            if (detectedLanguagesBuilder_.isEmpty()) {
              detectedLanguagesBuilder_.dispose();
              detectedLanguagesBuilder_ = null;
              detectedLanguages_ = other.detectedLanguages_;
              bitField0_ = (bitField0_ & ~0x00000001);
              detectedLanguagesBuilder_ =
                  com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
                      ? getDetectedLanguagesFieldBuilder()
                      : null;
            } else {
              detectedLanguagesBuilder_.addAllMessages(other.detectedLanguages_);
            }
          }
        }
        if (other.hasDetectedBreak()) {
          mergeDetectedBreak(other.getDetectedBreak());
        }
        this.mergeUnknownFields(other.getUnknownFields());
        onChanged();
        return this;
      }
<pre>
Additional information detected on the structural component.
</pre>

Protobuf type {@code google.cloud.vision.v1p1beta1.TextAnnotation.TextProperty}
java-vision/proto-google-cloud-vision-v1p1beta1/src/main/java/com/google/cloud/vision/v1p1beta1/TextAnnotation.java