test

Add auxiliar InternalWriter (#138) #1221

Job	Run time
reusable_tests / coverage	11m 14s
reusable_tests / clang	4m 50s
reusable_tests / flaky	10m 43s
reusable_tests / asan	10m 31s
reusable_tests / python-linter	10s
reusable_tests / tsan	12m 8s
reusable_tests / ubuntu-multiplatform-tests (Release, ubuntu-22.04)	10m 22s
reusable_tests / uncrustify	32s
reusable_tests / ubuntu-multiplatform-tests (Release, ubuntu-24.04)	10m 36s
reusable_tests / windows-multiplatform-tests (Release, windows-2019)	19m 46s
reusable_tests / ubuntu-multiplatform-tests (Debug, ubuntu-22.04)	10m 11s
reusable_tests / ubuntu-multiplatform-tests (Debug, ubuntu-24.04)	9m 50s
reusable_tests / windows-multiplatform-tests (Release, windows-2022)	23m 0s
reusable_tests / windows-multiplatform-tests (Debug, windows-2019)	16m 29s
reusable_tests / windows-multiplatform-tests (Debug, windows-2022)	17m 38s
	2h 48m 0s

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