code: static Parser<Expression> newArrayWithExplicitLength(Parser<Expression> expr) {
      return Parsers.sequence(term("new").next(TypeLiteralParser.TYPE_LITERAL),
          expr.between(term("["), term("]")),
          Parsers.between(term("{"), expr.sepBy(term(",")), term("}")).optional(),
          NewArrayExpression::new);
    }
docs: new int[5]