Add debug channel callbacks #119

Job	Run time
Unit Tests / Construct unit test matrix	4s
Cxx Interop / Construct Cxx interop matrix	3s
Soundness / Swift license headers check	7s
Integration Tests / Linux (5.9)	23s
Integration Tests / Linux (5.10)	24s
Integration Tests / Linux (6.0)	5m 56s
Integration Tests / Linux (nightly-6.0)	3m 10s
Integration Tests / Linux (nightly-main)	3m 2s
Integration Tests / Windows (6.0)	3s
Integration Tests / Windows (nightly-6.0)	1s
Integration Tests / Windows (nightly-main)	3s
Soundness / API breakage check	3m 27s
Soundness / Documentation check	2m 50s
Soundness / Unacceptable language check	2s
Soundness / Broken symlinks check	3s
Soundness / License headers check	3s
Soundness / Format check	40s
Soundness / Shell check	33s
Soundness / Python lint check	6s
Soundness / YAML lint check	3s
Cxx Interop / Cxx interop / Linux (6.0)	2m 12s
Cxx Interop / Cxx interop / Linux (nightly-6.0)	2m 31s
Cxx Interop / Cxx interop / Linux (nightly-main)	2m 40s
Unit Tests / Unit tests / Linux (6.0)	3m 11s
Unit Tests / Unit tests / Linux (nightly-6.0)	3m 12s
Unit Tests / Unit tests / Linux (nightly-main)	3m 14s
	38m 3s

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