Re-generate code with OpenAPI generator 7.12.0

Author: AB-xdev

sessionize-java-client/src/generated/java/software/xdev/sessionize/client/ApiClient.java

@@ -298,7 +298,7 @@ public String getTempFolderPath() {
    * @param userAgent User agent
    * @return API client
    */
-  public ApiClient setUserAgent(String userAgent) {
+  public final ApiClient setUserAgent(String userAgent) {
     addDefaultHeader("User-Agent", userAgent);
     return this;
   }

sessionize-java-client/src/generated/java/software/xdev/sessionize/client/Configuration.java

@@ -16,7 +16,7 @@
 public class Configuration {
     public static final String VERSION = "2.0";
 
-    private static ApiClient defaultApiClient = new ApiClient();
+    private static volatile ApiClient defaultApiClient = new ApiClient();
 
     /**
      * Get the default API client, which would be used when creating API