objAPI ObjectLayer

	sync.RWMutex
	initialized bool
	group       *singleflight.Group
	metadataMap map[string]BucketMetadata
}

// Count returns number of bucket metadata map entries.
func (sys *BucketMetadataSys) Count() int {
	sys.RLock()
	defer sys.RUnlock()

	return len(sys.metadataMap)
}

// Remove bucket metadata from memory.
func (sys *BucketMetadataSys) Remove(buckets ...string) {

    }

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

        ArtifactMetadata m = metadataMap.get(metadata.getKey());
        if (m != null) {
            m.merge(metadata);
        } else {
            metadataMap.put(metadata.getKey(), metadata);
        }
    }

    @Override

            final SambaHelper sambaHelper = ComponentUtil.getSambaHelper();
            final Map<String, Object> metaDataMap = responseData.getMetaDataMap();
            if (responseData.getUrl().startsWith("smb:")) {
                final SID[] allowedSids = (SID[]) metaDataMap.get(SmbClient.SMB_ALLOWED_SID_ENTRIES);
                if (allowedSids != null) {
                    for (final SID sid : allowedSids) {

        final String mimeType = responseData.getMimeType();
        final StringBuilder contentMetaBuf = new StringBuilder(1000);
        final Map<String, Object> dataMap = new HashMap<>();
        final Map<String, Object> metaDataMap = new HashMap<>();
        String content;
        try (final InputStream in = responseData.getResponseBody()) {