docs: public static File createTemporaryEmptyCatalogJarFile(boolean isXDCR) throws IOException {
          File emptyJarFile = File.createTempFile("catalog-empty", ".jar");
          emptyJarFile.deleteOnExit();
          VoltCompiler compiler = new VoltCompiler(isXDCR);
          if (!compiler.compileEmptyCatalog(emptyJarFile.getAbsolutePath())) {
              return null;
          }
          return emptyJarFile;
      }