+* `max_account_fields`: The maximum number of custom fields in the user profile (default: `10`)
+* `max_remote_account_fields`: The maximum number of custom fields in the remote user profile (default: `20`)
+* `account_field_name_length`: An account field name maximum length (default: `512`)
+* `account_field_value_length`: An account field value maximum length (default: `512`)