public com.google.cloud.vision.v1.Property getProperties(int index) {
      if (propertiesBuilder_ == null) {
        return properties_.get(index);
      } else {
        return propertiesBuilder_.getMessage(index);
      }
    }
<pre>
Some entities may have optional user-supplied `Property` (name/value)
fields, such a score or string that qualifies the entity.
</pre>

<code>repeated .google.cloud.vision.v1.Property properties = 9;</code>
java-vision/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/EntityAnnotation.java