[chore] polish sharedcomponent API #16367

Job	Run time
govulncheck	29s
setup-environment	13s
test-coverage	2m 43s
unittest-matrix (~1.21.5)	2m 14s
unittest-matrix (~1.20.12)	1m 51s
lint	3m 1s
checks	1m 30s
cross-build-collector (darwin, amd64)	41s
cross-build-collector (darwin, arm64)	36s
cross-build-collector (linux, 386)	47s
cross-build-collector (linux, amd64)	41s
cross-build-collector (linux, arm64)	40s
cross-build-collector (linux, ppc64le)	39s
cross-build-collector (linux, arm, 7)	39s
cross-build-collector (linux, s390x)	44s
cross-build-collector (windows, 386)	43s
cross-build-collector (windows, amd64)	42s
unittest	1s
	18m 54s

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