code: 	private EnumSet<ExecutableType> getValidatedExecutableTypes(DefaultValidatedExecutableTypesType validatedExecutables) {
  		if ( validatedExecutables == null ) {
  			return null;
  		}
  
  		EnumSet<ExecutableType> executableTypes = EnumSet.noneOf( ExecutableType.class );
  		executableTypes.addAll( validatedExecutables.getExecutableType() );
  
  		return executableTypes;
  	}
  