JoinKeys joins the keys protecting the prefixes from the modification.

JoinKeysWithLength joins the keys with the length separation to allow to parse back the original keys in case the length is not fixed.

ParseLengthPrefixedKeys parses all the length prefixed keys, put together by JoinKeysWithLength.

UnsafeBytesToStr is meant to make a zero allocation conversion from []byte -> string to speed up operations, it is not meant to be used generally, but for a specific pattern to delete keys from a map.

UnsafeStrToBytes uses unsafe to convert string into byte array.