NewClient completes the initial setup required to get the proxy to a "steady" state.

SupportsFUSE checks if the fusermount binary is present in the PATH or a well known location.

UnixAddress is defined as a function to distinguish between Linux-based implementations where the dir and inst and simply joins, and Windows-based implementations where the inst must be further altered.

UnixSocketDir returns a shorted instance connection name to prevent exceeding the Unix socket length, e.g., project.region.cluster.instance.

Client proxies connections from a local client to the remote server side proxy for multiple AlloyDB instances.

Config contains all the configuration provided by the caller.

InstanceConnConfig holds the configuration for an individual instance connection.

MultiErr is a group of errors wrapped into one.