code: @ReadOperation
  	public Object invokeRouteDetails(@Selector String format) {
  		if (FORMAT_DETAILS.equalsIgnoreCase(format)) {
  			return invokeRouteDetails();
  		}
  		else {
  			return invoke();
  		}
  	}
docs: Expose Zuul {@link Route} information with details.
  @param format used to determine whether only locations or route details should be
  provided
  @return a map of routes and their details