[
    FullOpeningTag(
        FullOpeningTagStatement {
            span: Span {
                line: 1,
                column: 1,
                position: 0,
            },
        },
    ),
    TypeAlias(
        TypeAliasStatement {
            type_keyword: Span {
                line: 3,
                column: 1,
                position: 7,
            },
            name: SimpleIdentifier {
                span: Span {
                    line: 3,
                    column: 6,
                    position: 12,
                },
                value: "number",
            },
            equals: Span {
                line: 3,
                column: 13,
                position: 19,
            },
            type: Union(
                [
                    Integer(
                        Span {
                            line: 3,
                            column: 15,
                            position: 21,
                        },
                    ),
                    Float(
                        Span {
                            line: 3,
                            column: 21,
                            position: 27,
                        },
                    ),
                ],
            ),
            semicolon: Span {
                line: 3,
                column: 26,
                position: 32,
            },
        },
    ),
]