*/
public interface DocumentReader extends Closeable {
    /**
     * Reads a document and returns its contents as a map.
     *
     * @return a map containing the document's data, or null if there are no more documents to read.
     */
    Map<String, Object> read();

    @Override
    void close();

) {
    private val gson: Gson = GsonBuilder().setPrettyPrinting().create()
    private val buckets: Map<TestCoverage, List<SmallSubprojectBucket>> = buildBuckets(testTimeDataJson, model)

    fun generate(jsonFile: File) {
        val output =
            buckets.map {
                TestCoverageAndBucketSplits(it.key.uuid, it.value.map { it.toJsonBucket() })
            }
        jsonFile.writeText(gson.toJson(output))
    }

  }

  @Override
  public boolean containsValue(@Nullable Object value) {
    for (Map<C, V> row : rowMap().values()) {
      if (row.containsValue(value)) {
        return true;
      }
    }
    return false;
  }

  @Override
  public boolean contains(@Nullable Object rowKey, @Nullable Object columnKey) {
    Map<C, V> row = safeGet(rowMap(), rowKey);
    return row != null && Maps.safeContainsKey(row, columnKey);

        assertEquals("action:AAA\tuser:-", localLogMsg.get());

        activityHelper.print("aaa bbb", createUser("testuser", new String[0]), Map.of("111", "222"));
        assertEquals("action:AAA BBB\tuser:testuser\t111:222", localLogMsg.get());

        activityHelper.print("ccc", createUser("testuser", new String[] { "111", "222" }), Map.of("111", "222", "333", "444"));

    //                                                                   Map Communication
    //                                                                   =================
    @Override
    public void acceptPrimaryKeyMap(Entity entity, Map<String, ? extends Object> primaryKeyMap) {
    }

    @Override
    public void acceptAllColumnMap(Entity entity, Map<String, ? extends Object> allColumnMap) {
    }

    @Override

    # - - - - - - - - - -/

    # /- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    # o applicationOutsideSqlMap: (NotRequired - Default map:{})
    #  You can set additional users.
    #  Elements of this map are as below:
    #   o key of map: a relative path to the application project from DBFlute client
    #   o sqlDirectory: SQL directory as a relative path from the application directory 

     * Returns the key type if the return type of the method is a parameterized {@link Map}.
     *
     * @return the key type if the return type of the method is a parameterized {@link Map}, otherwise {@literal null}
     */
    Class<?> getKeyClassOfMap();

    /**
     * Returns the value type if the return type of the method is a parameterized {@link Map}.
     *

	)

	// test valuer
	values := map[string]interface{}{
		"name":       user.Name,
		"id":         user.ID,
		"created_at": user.CreatedAt,
		"deleted_at": user.DeletedAt,
		"age":        user.Age,
		"birthday":   user.Birthday,
		"active":     true,
	}
	checkField(t, userSchema, reflectValue, values)

	// test setter
	newValues := map[string]interface{}{
		"name":       "valuer_and_setter_2",

        mockedStaticAuthData.when(() -> KerberosAuthData.parse(eq(1), eq(new byte[] { 0x01 }), any(Map.class)))
                .thenReturn(Collections.singletonList(mockAuthData1));
        mockedStaticAuthData.when(() -> KerberosAuthData.parse(eq(2), eq(new byte[] { 0x02 }), any(Map.class)))
                .thenReturn(Collections.singletonList(mockAuthData2));

        thumbnailManager.add(generator);

        Map<String, Object> docMap = new HashMap<>();
        docMap.put("_id", "docid1");

        // Fill the queue
        thumbnailManager.offer(docMap);

        // Try to add another - should succeed (warning logged but still returns true)
        Map<String, Object> docMap2 = new HashMap<>();
        docMap2.put("_id", "docid2");