Holds all state required for PostingsReaderBase to produce a [ ] without re-seeking the terms dict.
fp into the terms dict primary file (_X.tim) that holds this term
how many docs have this term
Term ordinal, i.e. its position in the full list of sorted terms.
the term's ord in the current block
total number of occurrences of this term
Copies the content of the given TermState to this instance