endSheet method
endSheet:
Implementation
void endSheet(NSWindow sheet) {
objc.checkOsVersionInternal(
'NSApplication.endSheet:',
iOS: (true, null),
macOS: (false, (10, 0, 0)),
);
_objc_msgSend_xtuoz7(this.ref.pointer, _sel_endSheet_, sheet.ref.pointer);
}