public async Task RemoveRole(RemoveRoleCommand command, CancellationToken cancellationToken)
{
if (command == null)
{
throw new ArgumentNullException(nameof(command));
}
command.EnsureIsValid();
var role = await authorizationRepository.GetRoleById(command.Id, cancellationToken).ConfigureAwait(false);
if (role is null)
{
throw new BusinessException(Messages.RoleNotFound);
}
await authorizationRepository.RemoveRole(role, cancellationToken).ConfigureAwait(false);
}