code: private void copyCelerioXsd() throws IOException {
          File xsdDir = new File(appName + "/src/main/config/celerio-maven-plugin");
          xsdDir.mkdirs();
          File celerioXsdFile = new File(xsdDir, "celerio.xsd");
          File nonamespaceXsdFile = new File(xsdDir, "nonamespace.xsd");
  
          getLog().info("Copy Celerio configuration xsd files to " + appName + "/src/main/config/celerio-maven-plugin");
          writeStringToFile(celerioXsdFile, XsdHelper.getCelerioXsdAsString(), "UTF-8");
          writeStringToFile(nonamespaceXsdFile, XsdHelper.getNonamespaceXsdAsString(), "UTF-8");
      }
docs: ----------------------------------------