ios - Is NS_AVAILABLE_IOS undocumented API? -

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i want use part of xcode documentation detects , adds part of document, i'm not sure if apple considers undocumented.

it's not undocumented, it's defined in foundation.framework -> nsobjcruntime.h

#define ns_available_ios(_ios) __osx_available_starting(__mac_na, __iphone_##_ios)

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