The network firewall policy enforcement order. Can be either
AFTER_CLASSIC_FIREWALL or BEFORE_CLASSIC_FIREWALL. Defaults to
AFTER_CLASSIC_FIREWALL if the field is not specified.
Values:
UNDEFINED_NETWORK_FIREWALL_POLICY_ENFORCEMENT_ORDER (0):
A value indicating that the enum field is not
set.
AFTER_CLASSIC_FIREWALL (154582608):
No description available.
BEFORE_CLASSIC_FIREWALL (338458349):
No description available.