Implement Standalone Nexus Operations #5018

Job	Run time
cloud-test	1m 47s
check-protos	7m 28s
test-latest-deps	9m 29s
build-lint-test (3.10, ubuntu-arm)	13m 6s
build-lint-test (3.10, macos-intel)	17m 49s
build-lint-test (3.10, windows-latest)	21m 55s
build-lint-test (3.14, windows-latest)	16m 13s
build-lint-test (3.14, macos-arm)	10m 37s
build-lint-test (3.14, ubuntu-arm)	11m 39s
build-lint-test (3.14, macos-intel)	14m 56s
build-lint-test (3.10, macos-arm)	9m 12s
build-lint-test (3.14, ubuntu-latest)	17m 24s
build-lint-test (3.10, ubuntu-latest)	13m 19s
features-tests / test	8m 10s
	2h 53m 4s

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