import com.intellij.util.indexing.DataIndexer;
import com.intellij.util.indexing.FileBasedIndex;
<BUG>import com.intellij.util.indexing.IndexDataConsumer;</BUG>
public abstract class FileTypeIdIndexer implements DataIndexer<IdIndexEntry, Integer, FileBasedIndex.FileContent> {
<BUG>public static void addOccurrence(IndexDataConsumer<IdIndexEntry, Integer> consumer, CharSequence charSequence, int start, int end, int occurrenceMask) {
final int hashCode = StringUtil.stringHashCode(charSequence, start, end);
addOccurrence(consumer, hashCode,occurrenceMask);
final int hashCodeNoCase = StringUtil.stringHashCodeInsensitive(charSequence, start, end);
if (hashCodeNoCase != hashCode) {
addOccurrence(consumer, hashCodeNoCase,occurrenceMask);</BUG>
}

import com.intellij.util.indexing.DataIndexer;
import com.intellij.util.indexing.FileBasedIndex;
public abstract class FileTypeIdIndexer implements DataIndexer<IdIndexEntry, Integer, FileBasedIndex.FileContent> {
