The connection preference of service attachment. The value can be
set to ACCEPT_AUTOMATIC. An ACCEPT_AUTOMATIC service attachment is
one that always accepts the connection from consumer forwarding
rules.
Values:
UNDEFINED_CONNECTION_PREFERENCE (0):
A value indicating that the enum field is not
set.
ACCEPT_AUTOMATIC (75250580):
No description available.
ACCEPT_MANUAL (373061341):
No description available.
CONNECTION_PREFERENCE_UNSPECIFIED (34590772):
No description available.