Class			Interfaces
	Blob		Comparable
	DocumentChange
	DocumentReference
	DocumentSnapshot
		QueryDocumentSnapshot
	FieldPath
	FieldValue
	FirebaseFirestore
	FirebaseFirestoreSettings
	FirebaseFirestoreSettings.Builder
	GeoPoint		Comparable
	Query
		CollectionReference
	QuerySnapshot		Iterable
	SetOptions
	SnapshotMetadata
	Transaction
	WriteBatch