/* To support availability macros that mention newer OS X versions when building on older OS X versions,
we provide our own definitions of the underlying macros that the availability macros expand to. We're
free to expand the macros as no-ops since frameworks built on older OS X versions only ship bundled with
an application rather than as part of the system.
*/
/* To support availability macros that mention newer OS X versions when building on older OS X versions,
we provide our own definitions of the underlying macros that the availability macros expand to. We're
free to expand the macros as no-ops since frameworks built on older OS X versions only ship bundled with
an application rather than as part of the system.
*/