   }
 
   func bridgeToObjectiveC() -> NSArray {
-    return reinterpretCast(self.buffer.asCocoaArray())
+    return reinterpretCast(self.buffer._asCocoaArray())
   }
 
   static func bridgeFromObjectiveC(source: NSArray) -> Array? {

  /// mutable, any changes to it may be observable by the result.
  @final
  var _arraySharingStorage: AnyObject[] {
    return Array(ArrayBuffer(reinterpretCast(self) as CocoaArray))
  }

  @final

func _convertNSArrayToArray<T>(source: NSArray) -> T[] {
  if _fastPath(isBridgedVerbatimToObjectiveC(T.self)) {
    // Forced down-cast (possible deferred type-checking)
    return Array(ArrayBuffer(reinterpretCast(source) as _CocoaArray))
  }
  else {
    let result = T[]._bridgeFromObjectiveCImpl(source)
