zrange abstract method
Returns the specified range of members in the sorted set stored at key,
ordered from lowest to highest score.
start and stop are zero-based indexes. Use 0 and -1 for all.
Returns an empty list if the key does not exist.
Throws a ValkeyServerException if the key holds a non-sorted-set value.
Implementation
Future<List<String?>> zrange(String key, int start, int stop);