code: function(sServiceRootURI) {
  
  			// construct resource path
  			var sResourcePath = null;
  
  			sResourcePath = (sServiceRootURI ? sServiceRootURI : "") + "/"
  					+ this._oParameter.getContainingParameterization().getEntitySet().getQName();
  
  			// check if request is compliant with filter constraints expressed in
  			// metadata
  			this.getFilterExpression().checkValidity();
  
  			// construct query options
  			var sSelectOption = this.getURIQueryOptionValue("$select");
  			var sFilterOption = this.getURIQueryOptionValue("$filter");
  			var sSortOption = this.getURIQueryOptionValue("$orderby");
  
  			var sURI = sResourcePath;
  			var bQuestionmark = false;
  
  			if (sSelectOption) {
  				sURI += "?$select=" + sSelectOption;
  				bQuestionmark = true;
  			}
  			if (this._oFilterExpression && sFilterOption) {
  				if (!bQuestionmark) {
  					sURI += "?";
  					bQuestionmark = true;
  				} else {
  					sURI += "&";
  				}
  				sURI += "$filter=" + sFilterOption;
  			}
  			if (this._oSortExpression && sSortOption) {
  				if (!bQuestionmark) {
  					sURI += "?";
  					bQuestionmark = true;
  				} else {
  					sURI += "&";
  				}
  				sURI += "$orderby=" + sSortOption;
  			}
  			return sURI;
  		}
docs: Get the unescaped URI to fetch the parameter value set.
  
  @param {String}
  sServiceRootURI (optional) Identifies the root of the OData
  service
  @returns {String} The unescaped URI that contains the OData resource path
  and OData system query options to express the request for the
  parameter value set..
  @public
  @function
  @name sap.ui.model.analytics.odata4analytics.ParameterValueSetRequest#getURIToParameterValueSetEntries