1 The headers in this directory are for compiling on macOS 10.15 (Catalina) and newer.
2 macOS releases include the ICU binary, but not ICU headers.
4 For other platforms, installed ICU headers should be used rather than these.
5 They are specific to the macOS platform.
7 The headers here are from ICU version 64.2 downloaded from the ICU project.
8 https://icu.unicode.org/download/64#h.vrjm9tyoew9f