[core] Add user-facing API for Streaming Lambda functions that receive JSON events #714

Job	Run time
Semantic Version label check	6s
Unit tests / Construct unit test matrix	4s
musl	1m 37s
Soundness / Documentation check	6s
Soundness / API breakage check	7s
Soundness / Unacceptable language check	3s
Soundness / License headers check	4s
Soundness / Format check	7s
Soundness / YAML lint check	4s
Soundness / Broken symlinks check	4s
Soundness / Python lint check	16s
Soundness / Shell check	6s
Integration Tests / Test Examples/APIGateway+LambdaAuthorizer on	11s
Swift 6 Language Mode / Swift 6 language mode	8s
Integration Tests / Test Examples/ResourcesPackaging on	11s
Integration Tests / Test Examples/HelloJSON on	11s
Integration Tests / Test Examples/S3_Soto on	11s
Integration Tests / Test Examples/HelloWorld on	11s
Integration Tests / Test Examples/S3EventNotifier on	11s
Integration Tests / Test Examples/S3_AWSSDK on	11s
Integration Tests / Test Examples/BackgroundTasks on	11s
Integration Tests / Test Examples/Streaming on	11s
Integration Tests / Test Examples/APIGateway on	11s
Integration Tests / Test Examples/Testing on	11s
Integration Tests / No dependencies on Foundation	11s
Integration Tests / Test archive plugin (ResourcesPackaging)	11s
Integration Tests / Test archive plugin (HelloWorld)	11s
Integration Tests / Test Examples/Tutorial on	11s
Integration Tests / Test Examples/StreamingFromEvent on	11s
Unit tests / Unit tests / Linux (6.0)	9s
Unit tests / Unit tests / Linux (6.1)	9s
Unit tests / Unit tests / Linux (nightly-next)	9s
Unit tests / Unit tests / Linux (nightly-main)	9s
	6m 24s

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