https://solr.apache.org/docs/7_4_0/solr-core/org/apache/solr/uninverting/UninvertingReader.html
UninvertingReader (Solr 7.4.0 API)
solrapi
https://solr.apache.org/docs/7_0_0/solr-core/org/apache/solr/uninverting/UninvertingReader.html
UninvertingReader (Solr 7.0.0 API)
solrapi