Sample code for Nexus messaging #1163

Job	Run time
build-lint-test (3.14, windows-latest)	14m 33s
build-lint-test (3.10, macos-arm)	6m 46s
build-lint-test (3.10, macos-intel)	8m 2s
build-lint-test (3.14, macos-intel)	23m 3s
build-lint-test (3.14, macos-arm)	8m 25s
build-lint-test (3.14, ubuntu-latest)	10m 48s
build-lint-test (3.10, ubuntu-latest)	5m 45s
build-lint-test (3.10, windows-latest)	6m 56s
	1h 24m 18s

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