},
        {
            "year": 2018,
            "publisher": "Harper Voyager",
            "type": "Paperback",
            "pages": 432
        }
    ]
}
{
    "title": "Pigs Have Wings",
    "authorInfo": {
        "name": "P. G. Wodehouse",
        "yearRange": [1881, 1975]
    },
    "genre": "Comic novel",
    "publicationHistory": [
        {
            "year": 1952,

		participle.Lexer(sqlLexer),
		participle.CaseInsensitive("Keyword"),
	)
	cases := []struct {
		str string
		res []any
	}{
		{"s.title", []any{"Murder on the Orient Express", "The Robots of Dawn", "Pigs Have Wings"}},
		{"s.authorInfo.yearRange", []any{[]any{1890.0, 1976.0}, []any{1920.0, 1992.0}, []any{1881.0, 1975.0}}},
		{"s.authorInfo.name", []any{"Agatha Christie", "Isaac Asimov", "P. G. Wodehouse"}},

        Doc(
            """
            Optional comment line(s).

            Comment lines start with `:` in the SSE wire format and are ignored by
            `EventSource` clients. Useful for keep-alive pings to prevent
            proxy/load-balancer timeouts.
            """
        ),
    ] = None

    @model_validator(mode="after")
    def _check_data_exclusive(self) -> "ServerSentEvent":