in src/Amazon.Extensions.CognitoAuthentication/CognitoUser.cs [345:356]
public virtual Task GlobalSignOutAsync(CancellationToken cancellationToken)
{
EnsureUserAuthenticated();
GlobalSignOutRequest globalSignOutRequest = new GlobalSignOutRequest()
{
AccessToken = SessionTokens.AccessToken
};
SessionTokens = null;
return Provider.GlobalSignOutAsync(globalSignOutRequest, cancellationToken);
}