This field is for internal use. This field can be both set at
resource creation time and updated using patch.
Values:
UNDEFINED_PRIVATE_IPV6_GOOGLE_ACCESS (0):
A value indicating that the enum field is not
set.
DISABLE_GOOGLE_ACCESS (450958579):
Disable private IPv6 access to/from Google
services.
ENABLE_BIDIRECTIONAL_ACCESS_TO_GOOGLE (427975994):
Bidirectional private IPv6 access to/from
Google services.
ENABLE_OUTBOUND_VM_ACCESS_TO_GOOGLE (288210263):
Outbound private IPv6 access from VMs in this
subnet to Google services.