ping abstract method
PINGs the server.
Returns 'PONG' if no message is provided, otherwise returns the message.
Throws a ValkeyServerException if an error occurs.
Implementation
Future<String> ping([String? message]);
PINGs the server.
Returns 'PONG' if no message is provided, otherwise returns the message.
Throws a ValkeyServerException if an error occurs.
Future<String> ping([String? message]);