providerARNs property
A list of the Amazon Cognito user pool ARNs for the
COGNITO_USER_POOLS authorizer. Each element is of this format:
arn:aws:cognito-idp:{region}:{account_id}:userpool/{user_pool_id}.
For a TOKEN or REQUEST authorizer, this is not
defined.
Implementation
final List<String>? providerARNs;