public async Task <IdentityResult> UpdateAsync(TRole role, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
ThrowIfDisposed();
if (role == null)
{
throw new ArgumentNullException("role");
}
await commands.UpdateRole(role, cancellationToken);
return(IdentityResult.Success);
}
