// locally-scoped ID constraint is involved.
        public void clear() {
            fValuesCount = 0;
            fUseValueTypeVector = false;
            fValueTypesLength = 0;
            fValueType = 0;
            fUseItemValueTypeVector = false;
            fItemValueTypesLength = 0;
            fItemValueType = null;
            fValues.setSize(0);
            if (fValueTypes != null) {
                fValueTypes.clear();
            }
            if (fItemValueTypes != null) {
                fItemValueTypes.setSize(0);
            }
        }