NavigationDataSource public enum NavigationDataSource The type of navigation data sources. Important This is a Public Preview API. It may be changed or removed at any time. online Online data source. Declaration Swift case online offline Offline data source. Declaration Swift case offline © 2023 TomTom N.V.. All rights reserved. (Last updated: 2023-10-06) Generated by jazzy ♪♫ v0.14.4, a Realm project.