fn __action517<'i, L>(
    ctx: &ParseContext,
    __0: (LexerPosition, Option<LayoutQualifierSpec>, LexerPosition),
) -> Vec<LayoutQualifierSpec> ⓘwhere
    L: HasLexerError,fn __action517<'i, L>(
    ctx: &ParseContext,
    __0: (LexerPosition, Option<LayoutQualifierSpec>, LexerPosition),
) -> Vec<LayoutQualifierSpec> ⓘwhere
    L: HasLexerError,