.stream()
                .filter(key -> key.endsWith(".overwrite")) //
                .collect(Collectors.toList())
                .forEach(key -> {
                    final String baseKey = key.substring(0, key.length() - ".overwrite".length());
                    final Object value = dataMap.remove(key);
                    dataMap.put(baseKey, value);
                });
    }

    /**

		{"una ñina", false},
		{"dash-.may-not-appear-next-to-dot", false},
		{"dash.-may-not-appear-next-to-dot", false},
		{"dash-.-may-not-appear-next-to-dot", false},
		{"lalalallalallalalalallalallalala-thestring-size-is-greater-than-63", false},
	}

	for i, testCase := range testCases {
		isValidBucketName := IsValidBucketName(testCase.bucketName)
		if testCase.shouldPass && !isValidBucketName {

    void testServerInfo1GetTypeVariousTypes(String typeHex, int expectedType) throws Exception {
        NetServerEnum2Response.ServerInfo1 server = response.new ServerInfo1();
        server.type = (int) Long.parseLong(typeHex.substring(2), 16);
        assertEquals(expectedType, server.getType());
    }

    @Test
    @DisplayName("Test ServerInfo1 getName")
    void testServerInfo1GetName() throws Exception {

                            if (isPrefix || "xmlns".equals(aname)) {
                                final int index = aname.indexOf(':');
                                final String p = isPrefix ? aname.substring(index + 1) : StringUtil.EMPTY;
                                if (p.equals(prefix)) {
                                    namespace = attr.getNodeValue();
                                    break;

    static Chopper suffix(String suffix) {
      return new Chopper() {
        @Override
        Optional<String> chop(String str) {
          if (str.endsWith(suffix)) {
            return Optional.of(str.substring(0, str.length() - suffix.length()));
          } else {
            return Optional.absent();
          }
        }
      };
    }
  }

     */
    protected String getImageFilename(final String docid) {
        final StringBuilder buf = new StringBuilder(50);
        for (int i = 0; i < docid.length(); i += splitSize) {
            int hash = docid.substring(i).hashCode() % splitHashSize;
            if (hash < 0) {
                hash *= -1;
            }
            buf.append('_').append(Integer.toString(hash)).append('/');
        }

    Collector<String, ?, ImmutableListMultimap<Character, Character>> collector =
        flatteningToImmutableListMultimap(
            str -> str.charAt(0), str -> Chars.asList(str.substring(1).toCharArray()).stream());
    BiPredicate<Multimap<?, ?>, Multimap<?, ?>> equivalence =
        Equivalence.equals()
            .onResultOf((Multimap<?, ?> mm) -> ImmutableList.copyOf(mm.asMap().entrySet()))

            // Check if version is a property reference
            if (currentVersion.startsWith("${") && currentVersion.endsWith("}")) {
                isProperty = true;
                propertyName = currentVersion.substring(2, currentVersion.length() - 1);
            }
        } else {
            // Plugin version might be inherited from parent or pluginManagement

	apiRouter.MethodNotAllowedHandler = collectAPIStats("methodnotallowed", httpTraceAll(methodNotAllowedHandler("S3")))
}

// corsHandler handler for CORS (Cross Origin Resource Sharing)
func corsHandler(handler http.Handler) http.Handler {
	commonS3Headers := []string{
		xhttp.Date,
		xhttp.ETag,
		xhttp.ServerInfo,
		xhttp.Connection,
		xhttp.AcceptRanges,
		xhttp.ContentRange,

		}
	}

	// Deleting fileInfos[4].VersionID, fileInfos[5].VersionID should return empty data dir; there are other object version sharing the data dir.
	// Subsequently deleting fileInfos[6].versionID should return fileInfos[6].dataDir since there are no other object versions sharing this data dir.
	count := len(testCases)
	for i := 4; i < len(testCases); i++ {
		tc := testCases[i]
		dataDir, err := xl.DeleteVersion(fileInfos[i])