code: public String approximately(long delta) {
  		MultivaluedMap<String, String> params = new MultivaluedHashMap<>();
  		params.putSingle("delta", Long.toString(delta));
  		return getEntity(invokeGet("utils/timeago", params), String.class);
  	}
docs: Returns the number of minutes, hours, months elapsed for a time delta (milliseconds).
  @param delta the time delta between two events, in milliseconds
  @return a string like "5m", "1h"