Need help in understanding solr clustering component

I was looking(in process of making my own) into solr's default clustering component for carrot2. In the clustering component class there are 2 methods where the clustering algorithms are called: in the overridden process method SolrDocumentList solrDocList = SolrPluginUtils.docListToSolrDocumentL

Solr 6 Facet range query over streaming API

While migrating from Solr legacy faceting to Solr streaming API, how to implement the below parameters: &facet = true &facet.range = {!key=age_ranges}age &f.age.facet.range.start = 0 &f.age.facet.range.end = 100 &f.age.facet.range.gap = 10 &facet.range = {!key=price_ranges}price &f.price.facet.ran