code: public static long randomLongGreaterThan(long minExclusive) {
      checkArgument(
          minExclusive < Long.MAX_VALUE, "Cannot produce long greater than %s", Long.MAX_VALUE);
      return randomLong(minExclusive + 1, Long.MAX_VALUE);
    }
docs: Returns a random long that is greater than the given long.
  
  @param minExclusive the value that returned long must be greater than
  @return the random long
  @throws IllegalArgumentException if minExclusive is greater than or equal to {@link
  Long#MAX_VALUE}