(PECL solr >= 0.9.2) Specifies which fields to return in the result

(PECL solr >= 2.2.0) Returns the group.ngroups value

(PECL solr >= 0.9.2) Maps to facet.limit public

(PECL solr >= 0.9.2) Returns the minimum counts for facet fields should be included in the response

(PECL solr >= 0.9.2) Removes one of the sort fields

(PECL solr >= 0.9.2) Returns the term prefix

(PECL solr >= 0.9.2) Returns the number of characters of fragments to consider for highlighting

(PECL solr >= 2.2.0) Orders the documents within the expanded groups (expand.sort parameter).

(PECL solr >= 0.9.2) Returns the state of the hl.usePhraseHighlighter parameter

(PECL solr >= 0.9.2) Sets the offset into the list of constraints to allow for pagination