Lists the user pools associated with an Amazon Web Services account.
See https://www.paws-r-sdk.com/docs/cognitoidentityprovider_list_user_pools/ for full documentation.
cognitoidentityprovider_list_user_pools(NextToken = NULL, MaxResults)
An identifier that was returned from the previous call to this operation, which can be used to return the next set of items in the list.
[required] The maximum number of results you want the request to return when listing the user pools.