acceptable_augment_colnames
                        Determine acceptable names for augment output
argument_glossary       Allowed argument names in tidiers
check_arguments         Check that tidying methods use allowed argument
                        names
check_augment_function
                        Check an augment method
check_augment_newdata_precedence
                        Check that newdata argument has higher
                        precedence than data argument
check_augment_no_data   Check an augment method when no data or newdata
                        is passed
check_dims              Check that tibble has expected dimensions.
check_glance_outputs    Check the output of a glance method
check_tibble            Check the output of a tidying method
check_tidy_output       Check the output of a tidy method
column_glossary         Allowed column names in tidied tibbles
has_rownames            Check whether or not a data-frame-like object
                        has rownames
