fn __action300<'i, L>(
    ctx: &ParseContext,
    (_, l, _): (LexerPosition, LexerPosition, LexerPosition),
    (_, s, _): (LexerPosition, StorageQualifierData, LexerPosition),
    (_, r, _): (LexerPosition, LexerPosition, LexerPosition),
) -> StorageQualifierwhere
    L: HasLexerError,