boolean storeTermVector = (bits & STORE_TERMVECTOR) != 0;
boolean storePositionsWithTermVector = (bits & STORE_POSITIONS_WITH_TERMVECTOR) != 0;
boolean storeOffsetWithTermVector = (bits & STORE_OFFSET_WITH_TERMVECTOR) != 0;
boolean omitNorms = (bits & OMIT_NORMS) != 0;
boolean storePayloads = (bits & STORE_PAYLOADS) != 0;
final IndexOptions indexOptions;
if ((bits & OMIT_TERM_FREQ_AND_POSITIONS) != 0) {
indexOptions = IndexOptions.DOCS_ONLY;
} else if ((bits & OMIT_POSITIONS) != 0) {
if (format <= FORMAT_OMIT_POSITIONS) {
indexOptions = IndexOptions.DOCS_AND_FREQS;