return entries, listErr
	}
	entries.reuse = true
	truncated := entries.len() > o.Limit || err == nil
	entries.truncate(o.Limit)
	if !o.Transient && truncated {
		if o.ID == "" {
			entries.listID = mustGetUUID()
		} else {
			entries.listID = o.ID
		}
	}
	if !truncated {
		return entries, io.EOF
	}
	return entries, nil
}

type ListObjectVersionsInfo struct {
	// Indicates whether the returned list objects response is truncated. A
	// value of true indicates that the list was truncated. The list can be truncated
	// if the number of objects exceeds the limit allowed or specified
	// by max keys.
	IsTruncated bool

	// When response is truncated (the IsTruncated element value in the response is true),

        MessageDigest md5 = MessageDigest.getInstance("MD5");
        byte[] ipad = new byte[64];
        byte[] opad = new byte[64];

        // HMACT64 specific: truncate key to 64 bytes if needed
        int keyLen = Math.min(key.length, 64);
        for (int i = 0; i < keyLen; i++) {
            ipad[i] = (byte) (key[i] ^ 0x36);
            opad[i] = (byte) (key[i] ^ 0x5c);
        }

			return int64(f), true
		}
		return 0, false
	}

	switch x := v.value.(type) {
	case float64:
		// Truncate fractional part
		return int64(x), nil
	case int64:
		return x, nil
	case string:
		// Parse as number, truncate floating point if
		// needed.
		// String might contain trimming spaces, which
		// needs to be trimmed.
		res, ok := strToInt(strings.TrimSpace(x))
		if !ok {

    assertThat(Ascii.truncate("foobar", 6, "…")).isEqualTo("foobar");
    assertThat(Ascii.truncate("foobar", 5, "…")).isEqualTo("foob…");
    assertThat(Ascii.truncate("foobar", 3, "")).isEqualTo("foo");
    assertThat(Ascii.truncate("", 5, "")).isEqualTo("");
    assertThat(Ascii.truncate("", 5, "...")).isEqualTo("");
    assertThat(Ascii.truncate("", 0, "")).isEqualTo("");
  }

    assertThat(Ascii.truncate("foobar", 6, "…")).isEqualTo("foobar");
    assertThat(Ascii.truncate("foobar", 5, "…")).isEqualTo("foob…");
    assertThat(Ascii.truncate("foobar", 3, "")).isEqualTo("foo");
    assertThat(Ascii.truncate("", 5, "")).isEqualTo("");
    assertThat(Ascii.truncate("", 5, "...")).isEqualTo("");
    assertThat(Ascii.truncate("", 0, "")).isEqualTo("");
  }

            // Fallback: truncate the newest message to fit
            final LlmMessage newest = history.get(history.size() - 1);
            final String truncated = newest.getContent().substring(0, Math.min(budgetChars, newest.getContent().length()));
            request.addMessage(new LlmMessage(newest.getRole(), truncated));
            if (logger.isDebugEnabled()) {

        // Calculate expected HMACT64 result manually
        MessageDigest md5 = MessageDigest.getInstance("MD5");
        byte[] ipad = new byte[64];
        byte[] opad = new byte[64];

        // HMACT64 specific: truncate key to 64 bytes if needed
        int keyLen = Math.min(key.length, 64);
        for (int i = 0; i < keyLen; i++) {
            ipad[i] = (byte) (key[i] ^ 0x36);
            opad[i] = (byte) (key[i] ^ 0x5c);
        }

        if ((flags & SmbFile.O_TRUNC) == SmbFile.O_TRUNC) {
            // truncate the file
            if ((flags & SmbFile.O_CREAT) == SmbFile.O_CREAT) {
                // create it if necessary
                openFunction = OPEN_FN_TRUNC | OPEN_FN_CREATE;
            } else {
                openFunction = OPEN_FN_TRUNC;
            }
        } else // don't truncate the file
        if ((flags & SmbFile.O_CREAT) == SmbFile.O_CREAT) {

        // Empty titles => suffix is empty => falls back to truncated
        assertEquals("Some content here that is quite long enough to be truncated.", result);
    }

    // ========== additional truncated tests ==========

    @Test
    public void test_truncated_nullContent() {
        final ChatMessage msg = ChatMessage.assistantMessage(null);