question: update #exponent_length to match a supposedly changed #base_length . concode_field_sep Reference<Integer> exponent_length concode_elem_sep Reference<Boolean> exponent_length_set concode_elem_sep Reference<Boolean> base_length_set concode_elem_sep int security_year concode_elem_sep Reference<Calibration> security_calibration concode_elem_sep Reference<Integer> attribute_number concode_elem_sep Reference<Integer> base_length concode_field_sep int make_exponent_length
target: void function ( ) { exponent_length . ref = make_exponent_length ( base_length . ref ) ; }