* Get current cache statistics for monitoring
     * @return formatted statistics string
     */
    public static String getCacheStatistics() {
        return String.format("BufferCache: queued=%d, max=%d, utilization=%.1f%%", queueSize.get(), MAX_BUFFERS,
                (queueSize.get() * 100.0 / MAX_BUFFERS));
    }

    /**
     * Clear all cached buffers (for testing or cleanup)
     */
    public static void clearCache() {

        assertEquals(new BigDecimal("1000"), BigDecimalConversionUtil.toBigDecimal(Long.valueOf(1000L)));

        assertEquals(0, new BigDecimal("0.1").compareTo(BigDecimalConversionUtil.toBigDecimal(Float.valueOf(0.1F))));

        assertEquals(0, new BigDecimal("0.1").compareTo(BigDecimalConversionUtil.toBigDecimal(Double.valueOf(0.1D))));

    Signature Algorithm: ED25519
         7e:aa:be:ed:47:4d:b9:2f:fc:ed:7f:5a:fc:6b:c0:05:5b:f5:
         a0:31:fe:86:e3:8e:3f:49:af:6d:d5:ac:c7:c4:57:47:ce:97:
         7d:ab:b8:e9:75:ec:b4:39:fb:c8:cf:53:16:5b:1f:15:b6:7f:
         5a:d1:35:2d:fc:31:3a:10:e7:0c
```

> Observe the `Subject: CN = consoleAdmin` field.

    assertThat(formEncode(28)).isEqualTo("%1C")
    assertThat(formEncode(29)).isEqualTo("%1D")
    assertThat(formEncode(30)).isEqualTo("%1E")
    assertThat(formEncode(31)).isEqualTo("%1F")
    // Browsers use '+' for space.
    assertThat(formEncode(32)).isEqualTo("+")
    assertThat(formEncode(33)).isEqualTo("%21")
    assertThat(formEncode(34)).isEqualTo("%22")