private static Map<StubIndexKey, Map<Object, int[]>> getStubTree(
@NotNull final Map<Integer, SerializedStubTree> data) {
final Map<StubIndexKey, Map<Object, int[]>> stubTree;
if (!data.isEmpty()) {
final SerializedStubTree stub = data.values().iterator().next();
stubTree = new StubTree((PsiFileStub) stub.getStub(true), false).indexStubTree();
} else {
stubTree = Collections.emptyMap();
}
return stubTree;
}
@Override
public void save(final DataOutput out, @NotNull final SerializedStubTree v)
throws IOException {
v.write(out);
}