Add "override" before EOF in TS #842

Job	Run time
cpp-lib-build (macos-11, clang, ON)	6m 52s
cpp-lib-build (macos-11, clang, OFF)	10m 11s
cpp-lib-build (macos-11, gcc, ON)	4m 43s
cpp-lib-build (macos-11, gcc, OFF)	7m 59s
cpp-lib-build (ubuntu-20.04, clang, ON)	4m 59s
cpp-lib-build (ubuntu-20.04, clang, OFF)	5m 30s
cpp-lib-build (ubuntu-20.04, gcc, ON)	4m 23s
cpp-lib-build (ubuntu-20.04, gcc, OFF)	7m 37s
cpp-lib-build (windows-2022, clang, ON)	8m 33s
cpp-lib-build (windows-2022, clang, OFF)	10m 42s
cpp-lib-build (windows-2022, cl)	6m 38s
build (macos-11, tool)	2m 5s
build (macos-11, cpp)	42m 44s
build (macos-11, csharp)	10m 9s
build (macos-11, dart)	5m 39s
build (macos-11, go)	5m 14s
build (macos-11, java)	2m 20s
build (macos-11, javascript)	2m 36s
build (macos-11, typescript)	24m 11s
build (macos-11, php)	2m 28s
build (macos-11, python3)	2m 27s
build (ubuntu-20.04, tool)	1m 54s
build (ubuntu-20.04, cpp)	22m 10s
build (ubuntu-20.04, csharp)	10m 39s
build (ubuntu-20.04, dart)	6m 41s
build (ubuntu-20.04, go)	4m 45s
build (ubuntu-20.04, java)	1m 46s
build (ubuntu-20.04, javascript)	3m 0s
build (ubuntu-20.04, typescript)	22m 15s
build (ubuntu-20.04, php)	2m 58s
build (ubuntu-20.04, python3)	1m 41s
build (windows-2022, tool)	2m 29s
build (windows-2022, cpp)	33m 54s
build (windows-2022, csharp)	11m 46s
build (windows-2022, dart)	8m 59s
build (windows-2022, go)	10m 23s
build (windows-2022, java)	2m 55s
build (windows-2022, javascript)	3m 23s
build (windows-2022, typescript)	37m 39s
build (windows-2022, php)	3m 6s
build (windows-2022, python3)	3m 8s
	6h 13m 31s

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