in src/Amazon.Extensions.CognitoAuthentication/CognitoUserPool.cs [105:114]
public Task SignUpAsync(string userID,
string password,
IDictionary<string, string> userAttributes,
IDictionary<string, string> validationData,
CancellationToken cancellationToken)
{
SignUpRequest signUpUserRequest = CreateSignUpRequest(userID, password, userAttributes, validationData);
return Provider.SignUpAsync(signUpUserRequest, cancellationToken);
}