def on_query_context(self, view, key, operator, operand, match_all):
        if key != 'file_history_overlay_visible':
            return None

        v1, v2 = OpenRecentlyClosedFileCommand.is_active(), bool(operand)

        if operator == sublime.OP_EQUAL:
            return v1 == v2
        elif operator == sublime.OP_NOT_EQUAL:
            return v1 != v2
        else:
            return None
dataset/ETHPy150Open FichteFoll/FileHistory/file_history.py/OpenRecentlyCloseFileCommandContextHandler.on_query_context/original