code: private void removeConstraintNameFromList(String constraintName) {
  		validateStringValue(constraintName);
  		Set<String> currentValues = getConstraintNameList();
  		currentValues.remove(constraintName);
  		setProperty(ConstraintContextProperty.ALL_CONSTRAINTS, ArrayUtils.toString(currentValues.toArray()));
  	}
docs: Removes the constraint property with the given name from the list of constraint properties (CONSTRAINTS-field).
  @param constraintName The name of the constraint-property to remove (e.g. CONSTRAINT_5).
  @throws ParameterException if the given property name is invalid.