firebase-ios-sdk

Firestore project: Import of API interfaces. (#1870)

- 214294914 Fix a few style error to prepare the reverse sync to GitH... by zxu <zxu>
  - 214274083 Implement Query::AddSnapshotListener and fix a few TODOs,... by zxu <zxu>
  - 214268701 Implement (non)-wrapper of Firestore Settings. by zxu <zxu>
  - 214267413 Introduce the inheritance of CollectionReference from Que... by zxu <zxu>
  - 212851971 Fix a bug in listener-registration C++ on android: by zxu <zxu>
  - 212511707 Port the FIRTypeTests.mm/TypeTest.java to C++ by zxu <zxu>
  - 212495228 Implement Future-method DocumentReference::Update() and D... by zxu <zxu>
  - 212492157 Implement the JNI call part of the FieldValue Android Wra... by zxu <zxu>
  - 212324488 Refactoring from constructor-ish to builder-ish. by zxu <zxu>
  - 211847529 Implement Future-method Query::Get() and the associated Q... by zxu <zxu>
  - 211836582 Implement Future-method CollectionReference::Add(). by zxu <zxu>
  - 211483375 Implement Future-method DocumentReference::Get() and Docu... by zxu <zxu>
  - 210775027 Implement the header and common part of FieldValue Androi... by zxu <zxu>
  - 207941328 Implement the header and common part of CollectionReferen... by zxu <zxu>
  - 207911730 Implement the JNI call part of the QuerySnapshot Android ... by zxu <zxu>
  - 207158294 Refactoring to change callback parameter from (const Snap... by zxu <zxu>
  - 207146286 Implement the header and common part of QuerySnapshot And... by zxu <zxu>

ORIGINAL_AUTHOR=Firebase <firebase-noreply>
PiperOrigin-RevId: 214294914