final InputStream in, final IdentificationResultCollection containerResults) throws IOException {
final IdentificationRequest request = new ContainerFileIdentificationRequest(null);
try {
request.open(in);
int maxBytesToScan = -1;
ContainerSignatureMatchCollection matches =
new ContainerSignatureMatchCollection(getContainerIdentifierInit().getContainerSignatures(),
getContainerIdentifierInit().getUniqueFileEntries(), maxBytesToScan);