package Ġcom . re vol gen x . an ilib . studio . data . model Ċ Ċ class ĠStudio Connection Model Ġ{ ĊĠĠĠ Ġvar Ġedges : ĠList < Studio Edge Model >? Ġ= Ġnull ĊĠĠĠ Ġvar Ġnodes : ĠList < Studio Model >? Ġ= Ġnull Ċ } Ċ