code: public static @Nonnull Number requirePositive(String name, Number value) {
          requireNonNull(name, value);
          requirePositive(name, value.intValue());
          return value;
      }
docs: Adds a check that the given number is positive.
  
  @param name The name of the argument
  @param value The value
  @throws IllegalArgumentException if the argument is not positive
  @return The value