code: @Override
     protected File[] getFiles(String propertyId) throws IOException
     {
        List<String> hids = vcas.getIdentifiers(propertyId, true); // return only
        // own ids
        File[] files = new File[hids.size()];
        for (int i = 0; i < hids.size(); i++)
           files[i] = super.getFile(hids.get(i), CASableIOSupport.HASHFILE_ORDERNUMBER);
  
        return files;
     }
docs: Returns storage files list by propertyId.<br>
  NOTE: Files list used for <strong>delete</strong> operation. The list will not contains files
  shared with other properties!
  
  @see ValueContentAddressStorage#getIdentifiers(String, boolean)
  @param propertyId
  @return actual files on file system related to given propertyId