code: @Restricted(NoExternalUse.class)
      @VisibleForTesting
      public final synchronized void reset() {
          // Wipe the data
          clear();
          
          // default values for the first time the config is created
          addMaskedPasswordParameterDefinition(hudson.model.PasswordParameterDefinition.class.getName());
          addMaskedPasswordParameterDefinition(com.michelin.cio.hudson.plugins.passwordparam.PasswordParameterDefinition.class.getName());
      }
docs: Resets configuration to the default state.