[
    FullOpeningTag(
        Span(
            1,
            1,
        ),
    ),
    Constant(
        Constant {
            comments: CommentGroup {
                comments: [],
            },
            const: Span(
                4,
                1,
            ),
            entries: [
                ConstantEntry {
                    name: SimpleIdentifier {
                        span: Span(
                            4,
                            7,
                        ),
                        value: "a",
                    },
                    equals: Span(
                        4,
                        9,
                    ),
                    value: Identifier(
                        SimpleIdentifier(
                            SimpleIdentifier {
                                span: Span(
                                    4,
                                    11,
                                ),
                                value: "\null",
                            },
                        ),
                    ),
                },
            ],
            semicolon: Span(
                4,
                16,
            ),
        },
    ),
]
