https://solr.apache.org/docs/9_10_0/core/org/apache/solr/core/RequestParams.html
RequestParams (Solr 9.10.0 core API)
solrcoreapi
https://solr.apache.org/docs/7_2_0/solr-core/org/apache/solr/core/RequestParams.VersionedParams.html
RequestParams.VersionedParams (Solr 7.2.0 API)
solrapi