internal override void CheckCommands(CommandMap commandMap)
 {
     commandMap.AssertAvailable(RedisCommand.LINDEX);
 }
 internal override void CheckCommands(CommandMap commandMap)
 {
     commandMap.AssertAvailable(cmd);
 }
 internal override void CheckCommands(CommandMap commandMap)
 {
     commandMap.AssertAvailable(hashField.IsNull ? RedisCommand.GET : RedisCommand.HGET);
 }