@Override
 public Parameter[] getParameters() {
   return new Parameter[] {
     ParameterBuilder.create(PARAM_PERCENTAGE)
         .label("Percentage")
         .matching("\\d{1,3}")
         .description(
             "Percentage of users for which the feature should be active (i.e. '25' for every fourth user).")
   };
 }
 @Override
 public Parameter[] getParameters() {
   return new Parameter[] {
     new ScriptLanguageParameter(engineManager),
     ParameterBuilder.create(PARAM_SCRIPT)
         .label("Script")
         .largeText()
         .description(
             "The script to check if the feature is active. "
                 + "The script context provides access to some default objects. "
                 + "The variable 'user' refers to the current acting FeatureUser "
                 + "and 'date' to the current time represented as a java.util.Date.")
   };
 }