code: function(sScale, iDiff, bFuture, sStyle) {
  			var sPattern, oTypes, sKey, sPluralCategory;
  
  			if (typeof bFuture === "string") {
  				sStyle = bFuture;
  				bFuture = undefined;
  			}
  
  			if (bFuture === undefined) {
  				bFuture = iDiff > 0;
  			}
  
  			if (sStyle === undefined) {
  				sStyle = "wide";
  			}
  
  			assert(sStyle === "wide" || sStyle === "short" || sStyle === "narrow", "sStyle is only allowed to be set with 'wide', 'short' or 'narrow'");
  
  			sKey = sScale + "-" + sStyle;
  
  			if (iDiff === 0 || iDiff === -2 || iDiff === 2) {
  				sPattern = this._get("dateFields", sKey, "relative-type-" + iDiff);
  			}
  
  			if (!sPattern) {
  				oTypes = this._get("dateFields", sKey, "relativeTime-type-" + (bFuture ? "future" : "past"));
  				sPluralCategory = this.getPluralCategory(Math.abs(iDiff).toString());
  				sPattern = oTypes["relativeTimePattern-count-" + sPluralCategory];
  			}
  
  			return sPattern;
  		}
docs: Returns the relative format pattern with given scale (year, month, week, ...) and difference value.
  
  @param {string} sScale the scale the relative pattern is needed for
  @param {int} iDiff the difference in the given scale unit
  @param {boolean} [bFuture] whether a future or past pattern should be used
  @param {string} [sStyle="wide"] @since 1.32.10, 1.34.4 the style of the pattern. The valid values are "wide", "short" and "narrow"
  @returns {string} the relative format pattern
  @public
  @since 1.34