shorthand

type Creator[T any] interface {
	// AddFlags registers the flags on the command. Note that we cannot
	// set any of the shorthand commands to be required, as we want
	// to allow `-f` usage.
	AddFlags(*cobra.Command)
	// GenerateSpec parses the flag inputs and returns a spec to create the object.
	GenerateSpec() (T, error)
	// IsEmpty determines if the feature flags have been used.
	// If they aren't, then we go ahead and use the file input.
	IsEmpty() bool
}