code: public String getExtendedStackTraceAsString(final List<String> ignorePackages, final String suffix) {
          return getExtendedStackTraceAsString(ignorePackages, PlainTextRenderer.getInstance(), suffix);
      }
docs: Format the stack trace including packaging information.
  
  @param ignorePackages List of packages to be ignored in the trace.
  @param suffix
  @return The formatted stack trace including packaging information.