Root find the prefix of the string containing letters and numbers.

RootVariant find the prefix of the string containing letters and numbers and the Variant to convert the root back to the original input.

ChangeSet shows the IDs that were added and removed from a Document.

Document is a string encoded as the root words.

DocumentDecoder can decode a Document into a string.

DocumentEncoder can encode a string into a Document.

Locations hold an ID and the index locations where that ID occures.

Encoder supplies the necessary decoding information to translate IDs into strings.

Encoder supplies the necessary encoding information to translate strings into IDs.

Variant encodes the casing of a word and the non-alphanumeric characters that follow the word.