code: public static String resolveProxyUrl(String relativeUrl, TileMap tileMap, String baseTmsUrl) {
  		TileCode tc = parseTileCode(relativeUrl);
  		return buildUrl(tc, tileMap, baseTmsUrl);
  	}
docs: Replaces the proxy url with the correct url from the tileMap.
  
  @return correct url to TMS service