package Ġsh mp . simulation . culture . group . process . be haviour Ċ Ċ import Ġsh mp . simulation . culture . group . centers . Group Ċ import Ġsh mp . simulation . culture . group . process . Process Result Ċ Ċ interface ĠGroup Behaviour Ġ{ ĊĠĠĠ Ġfun Ġrun ( group : ĠGroup ): ĠProcess Result ĊĊĠĠĠ Ġfun Ġupdate ( group : ĠGroup ): ĠGroup Behaviour ? Ġ= Ġthis ĊĊĠĠĠ Ġval Ġinternal ToString : ĠString Ċ } Ċ Ċ abstract Ġclass ĠAbstract Group Behaviour Ġ: ĠGroup Behaviour Ġ{ ĊĠĠĠ Ġoverride Ġfun ĠtoString () Ġ= Ġinternal ToString Ċ } Ċ