code: public static JavaScriptUpdate readFile(final InstallFile _installFile)
      {
          final JavaScriptUpdate ret = new JavaScriptUpdate(_installFile);
          final JavaScriptDefinition definition = ret.new JavaScriptDefinition(_installFile);
          ret.addDefinition(definition);
  
          return ret;
      }
docs: Read the file.
  
  @param _installFile the install file
  @return JavaScriptUpdate