https://docs.aws.amazon.com/sdkfornet/v3/apidocs/items/CognitoIdentityProvider/MCognitoIdentityProviderAdminInitiateAuthAsyncAdminInitiateAuthRequestCancellationToken.html
AmazonCognitoIdentityProviderClient.AdminInitiateAuthAsync Method (AdminInitiateAuthRequest,...
AmazonCognitoIdentityProviderClient.AdminInitiateAuthAsync Method (AdminInitiateAuthRequest, CancellationToken)
method