func (auth *Auth) ListRoles() (*GetAllRolesNoPagination, error) {
	cd := tcclient.Client(*auth)
	responseObject, _, err := (&cd).APICall(nil, "GET", "/roles/", new(GetAllRolesNoPagination), nil)
	return responseObject.(*GetAllRolesNoPagination), err
}
func (auth *Auth) ListRoles() (*GetAllRolesNoPagination, error) {
	cd := tcclient.Client(*auth)
	responseObject, _, err := (&cd).APICall(nil, "GET", "/roles/", new(GetAllRolesNoPagination), nil)
	return responseObject.(*GetAllRolesNoPagination), err
}
// Get a list of all roles, each role object also includes the list of
// scopes it expands to.
//
// See #listRoles