private void RightSquareBracket() throws SyntaxException {
        if (checkTokens(iterator.current(), Token.Type.RIGHT_SQUARE_BRACKET)) {
            nextToken();
        } else {
            throw (InvalidTokenException)new InvalidTokenException(
                iterator.current(), 
                Token.Type.RIGHT_SQUARE_BRACKET
            )
            .initPosition(iterator.current().coordinates().starting())
            .Log("ru.bmstu.iu9.compiler.syntax");
        }
    }