SolrNet queries with boost functions

I'm trying to use this library (which looks very ni开发者_高级运维ce) but I'm having difficulty understanding how to add extra params to my queries such as boost functions etc. How can this be done?

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You can use the ExtraParams property of QueryOptions to add any parameter to the Solr querystring. Example:

ISolrOperations<Document> solr = ...
var results = solr.Query("myquery", new QueryOptions {
  ExtraParams = new Dictionary<string, string> {
    {"bf", "recip(rord(myfield),1,2,3)^1.5"}
  }
});