public override async Task FindByNameAsync()

in src/Amazon.AspNetCore.Identity.Cognito/CognitoUserManager.cs [119:137]

• 19 lines of code
• 3 McCabe index (conditional complexity)

        public override async Task<TUser> FindByNameAsync(string userName)
        {
            ThrowIfDisposed();
            if (userName == null)
            {
                throw new ArgumentNullException(nameof(userName));
            }
#if NETSTANDARD2_0
            userName = NormalizeKey(userName);
#else
            userName = NormalizeName(userName);
#endif
            var user = await _userStore.FindByNameAsync(userName, CancellationToken).ConfigureAwait(false);
            if (user != null)
            {
                await PopulateTokens(user, ClaimTypes.Name, userName).ConfigureAwait(false);
            }
            return user;
        }