const char* attr_name,
      absl::Span<const AbstractOperation*> values) override;

  Status SetOpName(const char* op_name) override;

  MLIRContext* GetContext() { return context_; }

  Status AddRef(Type type, Type* output_type);

  Status Create(ArrayRef<Value> operands, OperationState**);

  // For LLVM style RTTI.
  static bool classof(const AbstractOperation* ptr) {
    return ptr->getKind() == kMlir;

	}
	return
}

func AcceptEx(ls Handle, as Handle, buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, recvd *uint32, overlapped *Overlapped) (err error) {
	r1, _, e1 := syscall.Syscall9(procAcceptEx.Addr(), 8, uintptr(ls), uintptr(as), uintptr(unsafe.Pointer(buf)), uintptr(rxdatalen), uintptr(laddrlen), uintptr(raddrlen), uintptr(unsafe.Pointer(recvd)), uintptr(unsafe.Pointer(overlapped)), 0)
	if r1 == 0 {
		err = errnoErr(e1)