v := Var{Name: name, DefaultValue: strconv.FormatBool(defaultValue), Description: description, Type: BOOL}
	RegisterVar(v)
	return BoolVar{getVar(name)}
}

// RegisterIntVar registers a new integer environment variable.
func RegisterIntVar(name string, defaultValue int, description string) IntVar {
	v := Var{Name: name, DefaultValue: strconv.FormatInt(int64(defaultValue), 10), Description: description, Type: INT}
	RegisterVar(v)