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UNITY_BUILD_CODE_AFTER_INCLUDE
New in version 3.16.
Code snippet which is included verbatim by the UNITY_BUILD feature just after every #include statement in the generated unity source files. For example:
set(after [[
#if defined(NOMINMAX)
#undef NOMINMAX
#endif
]])
set_target_properties(myTarget PROPERTIES
  UNITY_BUILD_CODE_AFTER_INCLUDE "${after}"
)
  See also UNITY_BUILD_CODE_BEFORE_INCLUDE.
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 https://cmake.org/cmake/help/v3.23/prop_tgt/UNITY_BUILD_CODE_AFTER_INCLUDE.html