Expose extras namespace #4813

Job	Run time
ci (ubuntu-20.04, gcc, g++, true, true, false, true, 22, Release)	23m 4s
ci (ubuntu-20.04, gcc, g++, true, true, false, true, 22, Debug)	21m 14s
ci (ubuntu-20.04, clang, clang++, true, true, true, true, 22, Release)	29m 19s
ci (ubuntu-20.04, clang, clang++, true, true, true, true, 22, Debug)	25m 13s
ci (ubuntu-22.04, gcc, g++, true, false, true, 22, Release)	21m 22s
ci (ubuntu-22.04, gcc, g++, true, false, true, 22, Debug)	18m 41s
ci (ubuntu-22.04, clang, clang++, true, true, true, 22, Release)	31m 32s
ci (ubuntu-22.04, clang, clang++, true, true, true, 22, Debug)	27m 33s
ci (ubuntu-24.04, gcc, g++, true, true, false, true, 22, Release)	24m 4s
ci (ubuntu-24.04, gcc, g++, true, true, false, true, 22, Debug)	20m 48s
ci (ubuntu-24.04, clang, clang++, true, true, true, true, 22, Release)	35m 10s
ci (ubuntu-24.04, clang, clang++, true, true, true, true, 22, Debug)	30m 22s
ci (macos-13, gcc, g++, true, false, false, false, 22, Release)	14m 2s
ci (macos-13, gcc, g++, true, false, false, false, 22, Debug)	17m 24s
ci (macos-14, clang, clang++, true, false, false, false, 22, Release)	6m 20s
ci (macos-14, clang, clang++, true, false, false, false, 22, Debug)	5m 16s
ci (macos-15, clang, clang++, true, false, false, false, 22, Release)	4m 16s
ci (macos-15, clang, clang++, true, false, false, false, 22, Debug)	6m 4s
ci (windows-2022, cl, cl, false, false, false, 22, Release)	7m 19s
ci (windows-2022, cl, cl, false, false, false, 22, Debug)	6m 37s
	6h 15m 40s

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