items = [
    {
        "id": 1,
        "name": "Short Range Category",
        "children": [
            {
                "id": 2,
                "name": "Narrow body Subcategory",
                "children": [
                    {
                        "id": 3,
                        "name": "Conventional Architecture",
                        "children": [{"id": 4, "name": "Example Aircraft"}],
                    },
                    {
                        "id": 5,
                        "name": "Example Hydrogen Architecture",
                        "children": [
                            {"id": 6, "name": "Example Early Aircraft"},
                            {"id": 9, "name": "Example Late Aircraft"},
                        ],
                    },
                ],
            },
            {
                "id": 7,
                "name": "Regional turbofan Subcategory",
                "children": [
                    {
                        "id": 8,
                        "name": "Conventional Architecture",
                        "children": [{"id": 9, "name": "Example Aircraft"}],
                    },
                    {
                        "id": 10,
                        "name": "Example Hydrogen Architecture",
                        "children": [
                            {"id": 11, "name": "Example Early Aircraft"},
                            {"id": 12, "name": "Example Late Aircraft"},
                        ],
                    },
                ],
            },
            {
                "id": 13,
                "name": "Regional turboprop Subcategory",
                "children": [
                    {
                        "id": 14,
                        "name": "Conventional Architecture",
                        "children": [{"id": 15, "name": "Example Aircraft"}],
                    },
                    {
                        "id": 16,
                        "name": "Example Hydrogen Architecture",
                        "children": [
                            {"id": 17, "name": "Example Early Aircraft"},
                            {"id": 18, "name": "Example Late Aircraft"},
                        ],
                    },
                ],
            },
        ],
    },
    {
        "id": 19,
        "name": "Medium Range Category",
        "children": [
            {
                "id": 20,
                "name": "Conventional Architecture",
                "children": [{"id": 21, "name": "Example Aircraft"}],
            },
            {
                "id": 22,
                "name": "Example Hydrogen Architecture",
                "children": [
                    {"id": 23, "name": "Example Early Aircraft"},
                    {"id": 24, "name": "Example Late Aircraft"},
                ],
            },
            {
                "id": 25,
                "name": "Example Turboprop Architecture",
                "children": [{"id": 26, "name": "Example Aircraft"}],
            },
        ],
    },
    {
        "id": 27,
        "name": "Long Range Category",
        "children": [
            {
                "id": 28,
                "name": "Conventional Architecture",
                "children": [{"id": 29, "name": "Example Aircraft"}],
            },
            {
                "id": 30,
                "name": "Example Narrow body long range Architecture",
                "children": [{"id": 31, "name": "Example Aircraft"}],
            },
        ],
    },
    {
        "id": 32,
        "name": "Freight Category",
    },
]
