[do not merge] Aggregations API proposal

[dconeybe]

[google-oss-bot]

	1 Warning
:warning:	Did you forget to add a changelog entry? (Add #no-changelog to the PR description to silence this warning.)

Generated by :no_entry_sign: Danger

[google-oss-bot]

Size Report ¹

Affected Products

• FirebaseFirestore

  Type	Base (bc2bc6b)	Merge (ba8c9f3)	Diff
  CocoaPods	6.94 MB	6.94 MB	+688 B (+0.0%)

Test Logs

• Base (bc2bc6b): https://github.com/firebase/firebase-ios-sdk/actions/runs/2762438107
• Merge (ba8c9f3): https://github.com/firebase/firebase-ios-sdk/actions/runs/2762262633

1. https://storage.googleapis.com/firebase-sdk-metric-reports/75Hk1koaE1.html

[google-oss-bot]

Coverage Report ¹

Affected Products

• FirebaseFirestore-iOS-FirebaseFirestore.framework

  Overall coverage changed from 88.37% (bc2bc6b) to 87.78% (ba8c9f3) by -0.59%.

  Filename	Base (bc2bc6b)	Merge (ba8c9f3)	Diff
  FIRAggregateDemo.mm	?	0.00%	?
  FIRAggregateField.mm	?	0.00%	?
  FIRQuery.mm	88.00%	85.58%	-2.42%
  write_stream.cc	91.55%	94.37%	+2.82%

Test Logs

• Base (bc2bc6b): https://github.com/firebase/firebase-ios-sdk/actions/runs/2762438107
• Merge (ba8c9f3): https://github.com/firebase/firebase-ios-sdk/actions/runs/2762262633

1. https://storage.googleapis.com/firebase-sdk-metric-reports/jrtCdG1wSj.html

[paulb777]

Closing. Please reopen if needed.