fn __action302<'i, L>(
    ctx: &ParseContext,
    (_, i, _): (LexerPosition, Identifier, LexerPosition),
    (_, _, _): (LexerPosition, Token, LexerPosition),
    (_, c, _): (LexerPosition, Expr, LexerPosition),
) -> LayoutQualifierSpecDatawhere
    L: HasLexerError,