Client constructor
Client({})
Implementation
Client({
String? endpoint,
String? region,
String service = 'AWSCognitoIdentityProviderService',
http.Client? client,
String? userAgent,
}) {
_region = region;
_service = service;
_userAgent = userAgent ?? _userAgent;
this.endpoint = endpoint ?? 'https://cognito-idp.$_region.amazonaws.com/';
_client = client ?? http.Client();
}