This function returns all variable attribute names of a certain metadata provision level or of more than one level.
util_get_var_att_names_of_level(level, cumulative = TRUE)all matching variable attribute names
level(s) of requirement
include all names from more basic levels
Other metadata_management:
CAN_THIS_BE_REMOVED_util_combine_missing_lists(),
util_dist_selection(),
util_find_free_missing_code(),
util_find_var_by_meta(),
util_get_vars_in_segment(),
util_looks_like_missing(),
util_no_value_labels(),
util_validate_known_meta(),
util_validate_missing_lists()