//BITFIELD key [GET type offset] [SET type offset value] [INCRBY type offset increment] [OVERFLOW WRAP|SAT|FAIL]
public long BitOp(BitOpOperation operation, string destkey, params string[] keys) => Call <long>("BITOP".SubCommand(null).Input(operation, destkey, keys).FlagKey(destkey).FlagKey(keys), rt => rt.ThrowOrValue());
public long BitOp(BitOpOperation operation, string destkey, params string[] keys) => Call("BITOP".InputRaw(operation).InputKey(destkey).InputKey(keys), rt => rt.ThrowOrValue <long>());
