[
    Token {
        kind: OpenTag(
            Full,
        ),
        span: (
            1,
            1,
        ),
    },
    Token {
        kind: StartDocString(
            "EOF",
            Heredoc,
        ),
        span: (
            3,
            1,
        ),
    },
    Token {
        kind: StringPart(
            "Hello, world!",
        ),
        span: (
            4,
            1,
        ),
    },
    Token {
        kind: EndDocString(
            "EOF",
            None,
            0,
        ),
        span: (
            4,
            1,
        ),
    },
    Token {
        kind: SemiColon,
        span: (
            5,
            4,
        ),
    },
]