Expose extras namespace #4814

Job	Run time
ci (ubuntu-20.04, gcc, g++, true, true, false, true, 22, Release)	23m 15s
ci (ubuntu-20.04, gcc, g++, true, true, false, true, 22, Debug)	20m 3s
ci (ubuntu-20.04, clang, clang++, true, true, true, true, 22, Release)	29m 51s
ci (ubuntu-20.04, clang, clang++, true, true, true, true, 22, Debug)	23m 42s
ci (ubuntu-22.04, gcc, g++, true, false, true, 22, Release)	20m 54s
ci (ubuntu-22.04, gcc, g++, true, false, true, 22, Debug)	17m 17s
ci (ubuntu-22.04, clang, clang++, true, true, true, 22, Release)	31m 23s
ci (ubuntu-22.04, clang, clang++, true, true, true, 22, Debug)	24m 45s
ci (ubuntu-24.04, gcc, g++, true, true, false, true, 22, Release)	24m 41s
ci (ubuntu-24.04, gcc, g++, true, true, false, true, 22, Debug)	19m 8s
ci (ubuntu-24.04, clang, clang++, true, true, true, true, 22, Release)	35m 14s
ci (ubuntu-24.04, clang, clang++, true, true, true, true, 22, Debug)	28m 5s
ci (macos-13, gcc, g++, true, false, false, false, 22, Release)	20m 51s
ci (macos-13, gcc, g++, true, false, false, false, 22, Debug)	13m 26s
ci (macos-14, clang, clang++, true, false, false, false, 22, Release)	4m 23s
ci (macos-14, clang, clang++, true, false, false, false, 22, Debug)	3m 59s
ci (macos-15, clang, clang++, true, false, false, false, 22, Release)	4m 16s
ci (macos-15, clang, clang++, true, false, false, false, 22, Debug)	3m 54s
ci (windows-2022, cl, cl, false, false, false, 22, Release)	7m 57s
ci (windows-2022, cl, cl, false, false, false, 22, Debug)	6m 2s
	6h 3m 6s

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