code: public static <T extends ModifierReviewable.OfByteCodeElement> ElementMatcher.Junction<T> isPackagePrivate() {
          return not(isPublic().or(isProtected()).or(isPrivate()));
      }
docs: Matches a {@link ModifierReviewable} that is package-private.
  
  @param <T> The type of the matched object.
  @return A matcher for a package-private modifier reviewable.