The type definition of an endpoint's network. Use one of the
following choices:
Values:
NETWORK_TYPE_UNSPECIFIED (0):
Default type if unspecified.
GCP_NETWORK (1):
A network hosted within Google Cloud.
To receive more detailed output, specify the URI
for the source or destination network.
NON_GCP_NETWORK (2):
A network hosted outside of Google Cloud.
This can be an on-premises network, or a network
hosted by another cloud provider.