chore(natural-language-understanding): manual changes

natural-language-understanding/src/main/java/com/ibm/watson/natural_language_understanding/v1/model/Model.java

@@ -30,6 +30,9 @@ public class Model extends GenericModel {
   @SerializedName("workspace_id")
   protected String workspaceId;
 
+  @SerializedName("model_version")
+  protected String modelVersion;
+
   protected String version;
 
   @SerializedName("version_description")
@@ -94,10 +97,22 @@ public String getWorkspaceId() {
   }
 
   /**
-   * Gets the version.
+   * Gets the modelVersion.
    *
    * <p>The model version, if it was manually provided in Watson Knowledge Studio.
    *
+   * @return the modelVersion
+   */
+  public String getModelVersion() {
+    return modelVersion;
+  }
+
+  /**
+   * Gets the version.
+   *
+   * <p>(Deprecated — use `model_version`) The model version, if it was manually provided in Watson
+   * Knowledge Studio.
+   *
    * @return the version
    */
   public String getVersion() {