@java.lang.Override
    public java.lang.String getEntityClass() {
      java.lang.Object ref = entityClass_;
      if (ref instanceof java.lang.String) {
        return (java.lang.String) ref;
      } else {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        entityClass_ = s;
        return s;
      }
    }
<pre>
Required. The tag entity class name. This should match the class name
produced by the tag entity detection model.
</pre>

<code>string entity_class = 1 [(.google.api.field_behavior) = REQUIRED];</code>

@return The entityClass.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/TagParsingConfig.java