[
    FullOpeningTag(
        Span {
            line: 1,
            column: 1,
            position: 0,
        },
    ),
    Expression(
        ExpressionStatement {
            expression: Heredoc {
                parts: [
                    Literal(
                        "Hello, world!",
                    ),
                ],
            },
            ending: Semicolon(
                Span {
                    line: 5,
                    column: 8,
                    position: 39,
                },
            ),
        },
    ),
]
