assertFalse(entries.contains(Maps.<String, @Nullable Boolean>immutableEntry("c", null)));
    assertFalse(entries.contains(Maps.<@Nullable String, Boolean>immutableEntry(null, true)));
  }

  @Override
  public void testKeySetRemoveAllNullFromEmpty() {
    try {
      super.testKeySetRemoveAllNullFromEmpty();
    } catch (RuntimeException tolerated) {

                this.systemProperties =
                        systemProperties != null ? Map.copyOf(systemProperties) : session.getSystemProperties();
                this.userProperties = userProperties != null ? Map.copyOf(userProperties) : session.getUserProperties();
                this.repositoryMerging = repositoryMerging;

        if (createdBy != null) {
            addFieldToSource(sourceMap, "createdBy", createdBy);
        }
        if (createdTime != null) {
            addFieldToSource(sourceMap, "createdTime", createdTime);
        }
        if (name != null) {
            addFieldToSource(sourceMap, "name", name);
        }
        if (sortOrder != null) {
            addFieldToSource(sourceMap, "sortOrder", sortOrder);

        buf.append(methodName).append("(");
        if (methodArgs != null && methodArgs.length > 0) {
            for (final Object arg : methodArgs) {
                buf.append(arg == null ? null : arg.getClass().getName()).append(", ");
            }
            buf.setLength(buf.length() - 2);
        }
        buf.append(")");
        return buf.toString();
    }

    /**

        if (content != null) {
            addFieldToSource(sourceMap, "content", content);
        }
        if (createdBy != null) {
            addFieldToSource(sourceMap, "createdBy", createdBy);
        }
        if (createdTime != null) {
            addFieldToSource(sourceMap, "createdTime", createdTime);
        }
        if (sortOrder != null) {

        if (out != null && !out.isOpen()) {
            throw new IOException("DCERPC pipe is no longer open");
        }

        if (in == null) {
            in = (SmbFileInputStream) pipe.getNamedPipeInputStream();
        }
        if (out == null) {
            out = (SmbFileOutputStream) pipe.getNamedPipeOutputStream();
        }

        assertEquals(0L, MemoryUtil.sizeOf(new Object[0]));

        // Array with null elements
        assertEquals(0L, MemoryUtil.sizeOf(new String[] { null, null }));

        // Mixed content array
        assertEquals(84L, MemoryUtil.sizeOf(new Object[] { "test", 123, null }));

        // Nested arrays

     * Decodes a Base64 string to bytes.
     *
     * @param base64String the Base64 string to decode
     * @return the decoded bytes, or null if input is null
     */
    protected byte[] decodeBase64(String base64String) {
        if (base64String == null) {
            return null;
        }
        try {
            return BASE64_DECODER.decode(base64String);
        } catch (IllegalArgumentException e) {

        pageSize = getDefaultPageSize();
        currentPageNumber = getDefaultCurrentPageNumber();

        id = null;
        term = null;
        query = null;
        maxSize = null;
        boost = null;
        createdBy = null;
        createdTime = null;
        versionNo = null;

    }

    /**
     * Returns the default current page number.
     *

        final HttpServletRequest request = LaRequestUtil.getOptionalRequest().orElse(null);
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final boolean isApiRequest =
                !SearchRequestType.SEARCH.equals(searchRequestType) && !SearchRequestType.ADMIN_SEARCH.equals(searchRequestType);

        if (request != null) {
            @SuppressWarnings("unchecked")