Pluggable Transport Abstractions #3289

Job	Run time
checks / pre-commit	32s
checks / readme-snippets	12s
checks / test (3.10, highest, ubuntu-latest)	37s
checks / test (3.10, lowest-direct, ubuntu-latest)	36s
checks / test (3.10, highest, windows-latest)	1m 26s
checks / test (3.10, lowest-direct, windows-latest)	1m 44s
checks / test (3.12, lowest-direct, ubuntu-latest)	34s
checks / test (3.11, lowest-direct, ubuntu-latest)	38s
checks / test (3.11, highest, windows-latest)	1m 20s
checks / test (3.11, lowest-direct, windows-latest)	1m 25s
checks / test (3.11, highest, ubuntu-latest)	33s
checks / test (3.12, highest, ubuntu-latest)	33s
checks / test (3.12, lowest-direct, windows-latest)	1m 40s
checks / test (3.13, lowest-direct, windows-latest)	1m 40s
checks / test (3.13, highest, windows-latest)	2m 3s
checks / test (3.12, highest, windows-latest)	1m 12s
checks / test (3.13, lowest-direct, ubuntu-latest)	34s
checks / test (3.13, highest, ubuntu-latest)	35s
	17m 54s

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