if (typeof KeywordMatch != "function") {
  function KeywordMatch() {
    this.title = null;
    this.linkUrl = null;
    this.cpwCode = null;
    this.description = null;
    this.isProductPage = false;
    this.keywordMatchId = null;
    this.isModel = null;
  }
}

if (typeof KeywordSearch != "function") {
  function KeywordSearch() {
    this.keyMatches = null;
    this.keyword = null;
  }
}

// Provide a default path to dwr.engine
if (dwr == null) var dwr = {};
if (dwr.engine == null) dwr.engine = {};
if (DWREngine == null) var DWREngine = dwr.engine;

if (tariffsByCostDwrService == null) var tariffsByCostDwrService = {};
tariffsByCostDwrService._path = '/dwr';
tariffsByCostDwrService.filterRatePlans = function(p0, p1, p2, p3, callback) {
  dwr.engine._execute(tariffsByCostDwrService._path, 'tariffsByCostDwrService', 'filterRatePlans', p0, p1, p2, p3, false, callback);
}