The purpose of the resource. This field can be either
PRIVATE_RFC_1918 or INTERNAL_HTTPS_LOAD_BALANCER. A subnetwork with
purpose set to INTERNAL_HTTPS_LOAD_BALANCER is a user-created
subnetwork that is reserved for Internal HTTP(S) Load Balancing. If
unspecified, the purpose defaults to PRIVATE_RFC_1918. The
enableFlowLogs field isn't supported with the purpose field set to
INTERNAL_HTTPS_LOAD_BALANCER.
Values:
UNDEFINED_PURPOSE (0):
A value indicating that the enum field is not
set.
INTERNAL_HTTPS_LOAD_BALANCER (248748889):
Subnet reserved for Internal HTTP(S) Load
Balancing.
PRIVATE (403485027):
Regular user created or automatically created
subnet.
PRIVATE_RFC_1918 (254902107):
Regular user created or automatically created
subnet.
PRIVATE_SERVICE_CONNECT (48134724):
Subnetworks created for Private Service
Connect in the producer network.
REGIONAL_MANAGED_PROXY (153049966):
Subnetwork used for Regional
Internal/External HTTP(S) Load Balancing.
