package Ġac r . browser . lightning . browser Ċ Ċ import Ġac r . browser . lightning . database . Bookmark Ċ Ċ interface ĠBook marks View Ġ{ ĊĊĠĠĠ Ġfun Ġnavigate Back () ĊĊĠĠĠ Ġfun Ġhandle Updated Url ( url : ĠString ) ĊĊĠĠĠ Ġfun Ġhandle Bookmark Deleted ( bookmark : ĠBook mark ) Ċ Ċ } Ċ