Creates a new command instance.
The validator instance.
The spec object.
The help function.
The action function.
Executes command with arguments.
The underlying Console instance.
The parsed command args.
ReplServerError If validation fails.
Parses command arguments with yargs-parser.
The raw string.
Parsed command args.
Shows command help screen.
The underlying Console instance.
Represents the repl-server command.