LeafMetaData
Parameters
createdVersionMajor
the Lucene version that created this index. This can be used to implement backward compatibility on top of the codec API. A return value of 6 indicates that the created version is unknown.
minVersion
the minimum Lucene version that contributed documents to this index, or null if this information is not available.
sort
the order in which documents from this index are sorted, or null if documents are in no particular order.
hasBlocks
Returns true iff this index contains blocks created with or it's corresponding update methods with at least 2 or more documents per call. Note: This property was not recorded before LUCENE_9_9_0 this method will return false for all leaves written before LUCENE_9_9_0