default String decode(List<Integer> tokens, Context context) {
        throw new UnsupportedOperationException("Decode is not implemented");
    }
Converts the list of token id's into a text. The opposite operation of embed.

@param tokens the list of tokens to decode to a string
@param context the context which specifies the language used to select a model
@return the string formed by decoding the tokens back to their string repreesentation
linguistics/src/main/java/com/yahoo/language/process/Embedder.java