{"blocks": [{"key": "0918a426", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "5fbeeab2", "text": "Design object-oriented classes for documents and tags, ensuring thread-safe operations when handling multiple threads. 2) Design a scalable online bookstore system that supports browsing (view) and purchasing books.", "type": "unordered-list-item", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}