# Functions
NewInstance initializes a new Instance given an instance connection name.
ParseConnName initializes a new ConnName struct.
# Constants
AutoIP selects public IP if available and otherwise selects private IP.
PrivateIP is the value for private IP Cloud SQL instances.
PSC is the value for private service connect Cloud SQL instances.
PublicIP is the value for public IP Cloud SQL instances.
RefreshTimeout is the maximum amount of time to wait for a refresh cycle to complete.
# Structs
ConnName represents the "instance connection name", in the format "project:region:name".
Instance manages the information used to connect to the Cloud SQL instance by periodically calling the Cloud SQL Admin API.
RefreshCfg is a collection of attributes that trigger new refresh operations.