refactor: add extensibility API helper #7223

Job	Run time
Linter	1m 52s
E2E tests (windows-latest)	16m 4s
E2E tests (ubuntu-latest)	8m 9s
Build	1m 37s
Format check	45s
E2E tests (macos-latest)	6m 39s
Unit tests (ubuntu-latest)	1m 14s
Integration tests (ubuntu-latest)	1m 37s
Integration tests (macos-latest)	3m 5s
Integration tests (windows-latest)	3m 25s
Unit tests (macos-latest)	1m 58s
Unit tests (windows-latest)	2m 35s
	49m 0s

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