code: public static String everyMinutes(final int minutes) {
          final String minutePattern = "0 0/{0,number,#} * * * ?";
          checkArgument(minutes > 0, "Only a number of minutes > 0 can be used for scheduling. %s was provided.", minutes);
  
          return format(minutePattern, minutes);
      }
docs: Returns a quartz-style cron expression which is used to schedule something every X minutes.
  <p/>
  This is useful if you want to run a scheduled callback e.g. every 10 minutes.
  <p/>
  
  @param minutes the minutes
  @return the quartz-style cron expression for the number of minutes passed
  @throws IllegalArgumentException if the number of minutes is < 1