Error return value of `cmd.Usage` is not checked (errcheck)

SA1019: strings.Title has been deprecated since Go 1.18 and an alternative has been available since Go 1.0: The rule Title uses for word boundaries does not handle Unicode punctuation properly. Use golang.org/x/text/cases instead. (staticcheck)

SA1019: "io/ioutil" has been deprecated since Go 1.19: As of Go 1.16, the same functionality is now provided by package [io] or package [os], and those implementations should be preferred in new code. See the specific function documentation for details. (staticcheck)

Error return value of `aparser.RegisterFactory` is not checked (errcheck)

Error return value of `aparser.RegisterFactory` is not checked (errcheck)

Error return value of `g.addCommonAttrsForField` is not checked (errcheck)

Error return value of `aparser.RegisterFactory` is not checked (errcheck)

Error return value of `schema.SetDefault` is not checked (errcheck)

field `rootPackage` is unused (unused)