initWithCapacity method
initWithCapacity:
Implementation
NSMutableData? initWithCapacity(int capacity) {
final $ret = _objc_msgSend_14hpxwa(
object$.ref.retainAndReturnPointer(),
_sel_initWithCapacity_,
capacity,
);
return $ret.address == 0
? null
: NSMutableData.fromPointer($ret, retain: false, release: true);
}