void (@NotNull final PyFunctionStub stub, @NotNull final IndexSink sink) { final String name = stub.getName(); if (name != null) { sink.occurrence(PyFunctionNameIndex.KEY, name); if (stub.getParentStub() instanceof PyFileStub && PyUtil.getInitialUnderscores(name) == 0) { sink.occurrence(PyExportedModuleAttributeIndex.KEY, name); } } }