C1|
%% It raises an error if the server does not exist
ERROR:  Server "doesNotExist" does not exist
%% It returns a jsonb object
1.2|jsonb
%% It returns the server version
1.3|t
%% It returns the postgis version
1.4|t
%% It returns null as the postgis version if it is not installed
1.5|t
%% It returns the remote server options
1.6|t
%% It returns the network latency to the remote server
2.1|t
2.2|t
%% It raises an error if the wrong port is provided
C2|
ERROR:  could not connect to server "cdb_fs_wrong-port"
D1|
D2|