Pluggable Transport Abstractions #3423

Job	Run time
checks / pre-commit	31s
checks / readme-snippets	10s
checks / test (3.10, lowest-direct, ubuntu-latest)	43s
checks / test (3.10, highest, ubuntu-latest)	42s
checks / test (3.11, lowest-direct, ubuntu-latest)	40s
checks / test (3.10, lowest-direct, windows-latest)	2m 14s
checks / test (3.11, lowest-direct, windows-latest)	2m 2s
checks / test (3.11, highest, windows-latest)	1m 56s
checks / test (3.11, highest, ubuntu-latest)	43s
checks / test (3.10, highest, windows-latest)	1m 49s
checks / test (3.12, lowest-direct, windows-latest)	3m 12s
checks / test (3.12, lowest-direct, ubuntu-latest)	44s
checks / test (3.12, highest, ubuntu-latest)	45s
checks / test (3.12, highest, windows-latest)	2m 44s
checks / test (3.13, lowest-direct, ubuntu-latest)	42s
checks / test (3.13, lowest-direct, windows-latest)	2m 0s
checks / test (3.13, highest, ubuntu-latest)	42s
checks / test (3.13, highest, windows-latest)	2m 6s
	24m 25s

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