code: public static RuntimeAssertion RuntimeAssertion(String pattern,
              Object... parameters) {
          return strip(new RuntimeAssertion(String.format(pattern, parameters)));
      }
docs: Generate a {@link RuntimeAssertion}
  
  @param pattern
  {@link String#format(String, Object...) String.format()}
  pattern
  @param parameters
  {@code String.format()} parameters
  @return A new {@code IllegalArgumentException}