docs: private static final String toUTF8String(byte[] b) {
          String ns = null;
          try {
              ns = new String(b, "UTF8");
          } catch (UnsupportedEncodingException e) {
              if (TraceComponent.isAnyTracingEnabled() && tc.isEventEnabled()) {
                  Tr.event(tc, "Error converting to string; " + e);
              }
          }
          return ns;
      }