public void test_metaDataOperations() {
        // Test metadata operations
        ResponseData data = new ResponseData();

        // Add metadata
        data.addMetaData("key1", "value1");
        data.addMetaData("key2", 123);
        data.addMetaData("key3", true);

        Map<String, Object> metaDataMap = data.getMetaDataMap();
        assertNotNull(metaDataMap);
        assertEquals(3, metaDataMap.size());

                if (owner != null) {
                    responseData.addMetaData(FS_FILE_USER, owner.getName());
                }
            }

            final AclFileAttributeView aclFileAttributeView = Files.getFileAttributeView(file.toPath(), AclFileAttributeView.class);
            if (aclFileAttributeView != null) {
                responseData.addMetaData(FILE_ATTRIBUTE_VIEW, aclFileAttributeView);

                    processAllowedSIDs(file, ace.getSID(), ace.isAllow() ? sidAllowSet : sidDenySet);
                }
                responseData.addMetaData(SMB_ALLOWED_SID_ENTRIES, sidAllowSet.toArray(new SID[sidAllowSet.size()]));
                responseData.addMetaData(SMB_DENIED_SID_ENTRIES, sidDenySet.toArray(new SID[sidDenySet.size()]));
            }
        } catch (final IOException e) {

                    processAllowedSIDs(file, ace.getSID(), ace.isAllow() ? sidAllowSet : sidDenySet);
                }
                responseData.addMetaData(SMB_ALLOWED_SID_ENTRIES, sidAllowSet.toArray(new SID[sidAllowSet.size()]));
                responseData.addMetaData(SMB_DENIED_SID_ENTRIES, sidDenySet.toArray(new SID[sidDenySet.size()]));
            }
        } catch (final IOException e) {

    @Override
    public String getDependencyConflictId() {
        return artifact.getDependencyConflictId();
    }

    /** {@inheritDoc} */
    @Override
    public void addMetadata(ArtifactMetadata metadata) {
        artifact.addMetadata(metadata);
    }

    /** {@inheritDoc} */
    @Override
    public Collection<ArtifactMetadata> getMetadataList() {
        return artifact.getMetadataList();
    }

            addMetadata(extractData, key, value);
        }
    }

    /**
     * Adds metadata to the extraction data if the value is not null.
     * @param extractData the extraction data
     * @param name the metadata name
     * @param value the metadata value
     */
    protected void addMetadata(final ExtractData extractData, final String name, final String value) {

            responseData.setMimeType(statObject.contentType());
            statObject.headers().forEach(e -> responseData.addMetaData(e.getFirst(), e.getSecond()));

            if (contentLengthHelper != null) {
                final long maxLength = contentLengthHelper.getMaxLength(responseData.getMimeType());

        sb.append(getType());
        if (hasClassifier()) {
            sb.append(':');
            sb.append(getClassifier());
        }
    }

    @Override
    public void addMetadata(ArtifactMetadata metadata) {
        if (metadataMap == null) {
            metadataMap = new HashMap<>();
        }

        ArtifactMetadata m = metadataMap.get(metadata.getKey());
        if (m != null) {

            responseData.setMimeType(headObject.contentType());

            // Add metadata
            if (headObject.metadata() != null) {
                headObject.metadata().forEach(responseData::addMetaData);
            }

            if (contentLengthHelper != null) {
                final long maxLength = contentLengthHelper.getMaxLength(responseData.getMimeType());

    }

    /**
     * Adds metadata to this response.
     *
     * @param name the name of the metadata
     * @param value the value of the metadata
     */
    public void addMetaData(final String name, final Object value) {
        metaDataMap.put(name, value);
    }

    /**
     * Gets the metadata map containing all metadata associated with this response.
     *