When restaurant, bar and live music venue The Hideaway opens at Bondi Junction next week, a caviar trolley will lap the room, bombe Alaska will be served tableside and a two-pronged chefs’ hatted act will grace its kitchen. RJ Lines, the chef and co-owner at Petersham’s now closed One Penny Red, and former Cirrus and Bentley head chef James Tai have joined the start-up.