NewFirebaseQuery - Initializes the query with values from strings (from header), sets TmSk = 1 and OrdDir = Asc as default.

FilePayload - Client side payload for inserting a track.

FirebaseQuery - struct denoting a Firebase query to receive data.

IgcMetadata - Contains all metadata from a IGC file as well as some additional data.

TrackPoint A TrackPoint object used to compress Track data shown to user.

User structure The firebase user also contains 'emailVerified' and 'photoURL'.