Tuple3<String, String, String> task = thumbnailGenerator.createTask("", docMap);
        assertNull(task);
    }

    public void test_createTask_withNullDocMap() {
        // Test task creation with null document map
        String path = "/path/to/document.pdf";

        Tuple3<String, String, String> task = thumbnailGenerator.createTask(path, null);
        assertNull(task);
    }

    int i = 0;
    for (Object o : entries) {
      @SuppressWarnings("unchecked")
      Entry<String, String> e = (Entry<String, String>) o;
      array[i++] = e;
    }
    return create(array);
  }

  protected abstract SetMultimap<String, String> create(Entry<String, String>[] entries);

  @Override
  @SuppressWarnings("unchecked")

    String[] array = new String[] {"a"};
    List<String[]> list = ImmutableList.<String[]>of(array);
    assertEquals(singletonList(array), list);
  }

  public void testCopyOf_emptyArray() {
    String[] array = new String[0];
    List<String> list = ImmutableList.copyOf(array);
    assertEquals(emptyList(), list);
  }

  public void testCopyOf_arrayOfOneElement() {
    String[] array = new String[] {"a"};

            .<String>nodeOrder(ElementOrder.<String>natural());
    ImmutableValueGraph.Builder<String, Integer> immutableValueGraphBuilder =
        graphBuilder.<String, Integer>immutable();

    // Update ValueGraphBuilder, but this shouldn't impact immutableValueGraphBuilder
    graphBuilder.allowsSelfLoops(false).nodeOrder(ElementOrder.<String>unordered());

            return 0;
        }

        @Override
        public String getMimeType(String file) {
            return null;
        }

        @Override
        public java.util.Set<String> getResourcePaths(String path) {
            return null;
        }

        @Override
        public java.net.URL getResource(String path) {
            return null;
        }

        @Override

        String fieldName = "category";
        String encodedFieldName = BaseEncoding.base64().encode(fieldName.getBytes(StandardCharsets.UTF_8));
        String fullFieldName = Constants.FACET_FIELD_PREFIX + encodedFieldName;

        assertTrue(fullFieldName.startsWith("field:"));
        assertTrue(fullFieldName.contains(encodedFieldName));

        String queryName = "title:test";

    }

    protected MoreLikeThisQueryBuilder regMoreLikeThisQueryQ(String name, String[] likeTexts) {
        MoreLikeThisQueryBuilder moreLikeThisQuery = QueryBuilders.moreLikeThisQuery(new String[] { name }, likeTexts, null);
        regQ(moreLikeThisQuery);
        return moreLikeThisQuery;
    }

    protected SpanTermQueryBuilder regSpanTermQ(String name, String value) {
        checkEsInvalidQuery(name, value);

  <function>
    <description>
      Returns a string resulting from replacing in an input string all occurrences
      of a "before" string into an "after" substring.
    </description>
    <name>replace</name>
    <function-class>org.codelibs.fess.taglib.FessFunctions</function-class>
    <function-signature>java.lang.String replace(java.lang.Object, java.lang.String, java.lang.String)</function-signature>

    Entry<String, String>[] array = (Entry<String, String>[]) new Entry<?, ?>[entries.length];
    int i = 0;
    for (Object o : entries) {
      @SuppressWarnings("unchecked")
      Entry<String, String> e = (Entry<String, String>) o;
      array[i++] = e;
    }
    return create(array);
  }

  protected abstract Map<String, String> create(Entry<String, String>[] entries);

  @Override
  @SuppressWarnings("unchecked")

        doc.put("key", mixedList);

        String[] result = DocumentUtil.getValue(doc, "key", String[].class);
        assertArrayEquals(new String[] { "string", "123", "true", "45.67" }, result);
    }

    public void test_string_array_to_list_conversion() {
        Map<String, Object> doc = new HashMap<>();
        String[] array = { "a", "b", "c" };
        doc.put("key", array);