headersNode = new ObjectNode(jsonNodeFactory);
            }

            for (Map.Entry<String, String> entry : headers.entrySet()) {
                headersNode.set(entry.getKey(), TextNode.valueOf(entry.getValue()));
            }
            doNodeValue.set("headers", headersNode);
        }
    }

    private boolean shouldApplyHeaders(ObjectNode doNodeValue) {

        TestFessTransformer transformer = new TestFessTransformer();
        Map<String, Object> dataMap = new HashMap<>();

        transformer.putResultDataBody(dataMap, "newKey", "newValue");

        assertEquals("newValue", dataMap.get("newKey"));
        assertEquals(1, dataMap.size());
    }

    /**
     * Test putResultDataBody with null handling
     */
    @Test

    }
  }

  @Override
  final Iterator<E> elementIterator() {
    return new Itr<E>() {
      @Override
      @ParametricNullness
      E result(int entryIndex) {
        return backingMap.getKey(entryIndex);
      }
    };
  }

  @Override
  final Iterator<Entry<E>> entryIterator() {
    return new Itr<Entry<E>>() {
      @Override
      Entry<E> result(int entryIndex) {

      Map<K, V> map, ObjectOutputStream stream) throws IOException {
    stream.writeInt(map.size());
    for (Map.Entry<K, V> entry : map.entrySet()) {
      stream.writeObject(entry.getKey());
      stream.writeObject(entry.getValue());
    }
  }

  /**
   * Populates a map by reading an input stream, as part of deserialization. See {@link #writeMap}
   * for the data format.
   */

            final String key = e.getKey();
            String value = e.getValue();
            for (final Map.Entry<String, String> entry : paramEnvMap.entrySet()) {
                value = value.replace("${" + entry.getKey() + "}", entry.getValue());
            }
            return new Pair<>(key, value);

        if (headers != null) {
            final Map<String, List<String>> map = new HashMap<>();
            headers.entrySet().stream().filter(e -> e.getKey() != null).forEach(
                    e -> map.put(e.getKey().toLowerCase(Locale.ROOT), e.getValue() == null ? List.of() : List.copyOf(e.getValue())));
            this.headers = Map.copyOf(map);
        }
    }

    /**

      protected Entry<Class<? extends @NonNull B>, B> delegate() {
        return entry;
      }

      @Override
      @ParametricNullness
      public B setValue(@ParametricNullness B value) {
        cast(getKey(), value);
        return super.setValue(value);
      }
    };
  }

  @Override
  public Set<Entry<Class<? extends @NonNull B>, B>> entrySet() {

    if ((removalListener != null) && removal) {
      removalListener.onRemoval(
          RemovalNotification.create(
              ignored.getKey(), ignored.getValue().getValue(), RemovalCause.SIZE));
    }
    statsCounter.recordEviction();
    return removal;
  }

        assertTrue(keyManager.hasSessionKey(sessionId + ".v0"), "Archived key should exist");

        // New key should be different
        byte[] newKey = keyManager.getRawKey(sessionId);
        assertNotNull(newKey, "New key should exist");
        assertFalse(Arrays.equals(testKey, newKey), "New key should be different from old key");
    }

    @Test
    public void testMultipleKeyRotations() throws GeneralSecurityException {

            filterSplitPackages(splitPackages);

            // Finally, print out (and fail) if we have any split packages
            for (var entry : splitPackages.entrySet()) {
                String packageName = entry.getKey();
                List<File> deps = dependencyPackages.get(packageName);
                List<String> msg = new ArrayList<>();