fn __action391<'i, L>(
    ctx: &ParseContext,
    __lookbehind: &LexerPosition,
    __lookahead: &LexerPosition,
) -> Option<Vec<TypeSpecifier>>where
    L: HasLexerError,fn __action391<'i, L>(
    ctx: &ParseContext,
    __lookbehind: &LexerPosition,
    __lookahead: &LexerPosition,
) -> Option<Vec<TypeSpecifier>>where
    L: HasLexerError,