https://solr.apache.org/docs/10_0_0/core/org/apache/solr/search/function/CollapseScoreFunction.CollapseScoreFunctionValues.html
CollapseScoreFunction.CollapseScoreFunctionValues (Solr 10.0.0 core API)
declaration: package: org.apache.solr.search.function, class: CollapseScoreFunction, class: CollapseScoreFunctionValues
solrcoreapi