import com.indeed.flamdex.api.IntTermDocIterator;
import com.indeed.flamdex.api.RawFlamdexReader;
import com.indeed.flamdex.api.RawStringTermDocIterator;
import com.indeed.flamdex.fieldcache.UnsortedIntTermDocIterator;
import com.indeed.flamdex.reader.FlamdexMetadata;
<BUG>import com.indeed.flamdex.utils.FlamdexUtils;
import java.io.File;</BUG>
import java.io.FilenameFilter;
import java.io.IOException;
import java.util.Collection;

import com.indeed.flamdex.api.IntTermDocIterator;
import com.indeed.flamdex.api.RawFlamdexReader;
import com.indeed.flamdex.api.RawStringTermDocIterator;
import com.indeed.flamdex.fieldcache.UnsortedIntTermDocIterator;
import com.indeed.flamdex.reader.FlamdexMetadata;
import com.indeed.flamdex.utils.FlamdexUtils;
import com.indeed.imhotep.io.caching.CachedFile;
import java.io.File;
import java.io.FilenameFilter;
import java.io.IOException;
import java.util.Collection;
