EnumMapAccumulator<K, V> combine(EnumMapAccumulator<K, V> other) {
      if (this.map == null) {
        return other;
      } else if (other.map == null) {
        return this;
      } else {
        other.map.forEach(this::put);
        return this;
      }
    }

    ImmutableMap<K, V> toImmutableMap() {
      return (map == null) ? ImmutableMap.of() : ImmutableEnumMap.asImmutable(map);
    }
  }

    EnumMapAccumulator<K, V> combine(EnumMapAccumulator<K, V> other) {
      if (this.map == null) {
        return other;
      } else if (other.map == null) {
        return this;
      } else {
        other.map.forEach(this::put);
        return this;
      }
    }

    ImmutableMap<K, V> toImmutableMap() {
      return (map == null) ? ImmutableMap.of() : ImmutableEnumMap.asImmutable(map);
    }
  }

try (InputStream input = ResourceUtil.getResourceAsStream("data.txt")) {
    String content = InputStreamUtil.getUTF8String(input);
}

// Resource traversal for processing multiple files
ResourceTraversalUtil.forEach("META-INF", (resource, is) -> {
    // Process each resource in the META-INF directory
    System.out.println("Processing: " + resource);
});
```

### Text Processing and JSON
```java

ion","loginRegisterAutoHeight","Layout","fixLayoutHeight","extra","controlSidebar","sidebar","max","_max","$contentSelector","fixLoginRegisterHeight","$selector","SELECTOR_LOGIN_BOX","boxHeight","parseInt","$preloader","numbers","Object","keys","forEach","key","EVENT_KEY","SELECTOR_TOGGLE_BUTTON","SELECTOR_BODY","CLASS_NAME_OPEN","CLASS_NAME_IS_OPENING","CLASS_NAME_CLOSED","autoCollapseSize","enableRemember","noTransitionAfterReload","PushMenu","$bodySelector","autoCollapse","remember","overlay"...

                final Map<String, String> blobMetadata = blob.getMetadata();
                if (blobMetadata != null) {
                    blobMetadata.forEach(responseData::addMetaData);
                }
                if (blob.getSize() < maxCachedContentSize) {
                    try (InputStream contentStream = new BufferedInputStream(Channels.newInputStream(blob.reader()))) {

        fesenClient.addOnConnectListener(listener);

        // Manually invoke listeners as if connect() succeeded
        fesenClient.onConnectListenerList.forEach(l -> {
            try {
                l.onConnect();
            } catch (Exception e) {
                fail("Listener should not throw: " + e.getMessage());
            }
        });

                    }
                    final Map<String, String> ntlmParams = config.getNtlmParameters();
                    if (ntlmParams != null) {
                        ntlmParams.forEach(result::setProperty);
                    }
                }
            }
        } else if (value instanceof Hc5Authentication[]) {
            for (final Hc5Authentication auth : (Hc5Authentication[]) value) {

        ).stream()
            .map(version -> new UnreleasedVersionInfo(version, getBranchFor(version), getGradleProjectPathFor(version)))
            .collect(Collectors.toList());

        collect.forEach(consumer::accept);
    }

    private String getGradleProjectPathFor(Version version) {
        // We have Gradle projects set up to check out and build unreleased versions based on the our branching

                get(c -> c.admin().cluster().prepareHealth(indices).setWaitForYellowStatus().execute());
        if (!healthResponse.isTimedOut()) {
            onConnectListenerList.forEach(l -> {
                try {
                    l.onConnect();
                } catch (final Exception e) {
                    logger.warn("Failed to invoke onConnect listener: listener={}", l.getClass().getName(), e);

                dataMap.put(fessConfig.getIndexFieldUrl(), url);
                final List<String> roleTypeList = new ArrayList<>();
                stream(crawlingConfig.getPermissions()).of(stream -> stream.forEach(p -> roleTypeList.add(p)));
                if (ComponentUtil.getProtocolHelper().isFilePathProtocol(url)) {
                    if (url.endsWith("/")) {
                        // directory