package Ġnet . ig or bre jc . time slack Ċ Ċ sealed Ġclass ĠFlow Activity ( open Ġval Ġactivity Name : ĠString ) Ċ Ċ data Ġclass ĠFixed Activity ( ĊĠĠĠ Ġoverride Ġval Ġactivity Name : ĠString , ĊĠĠĠ Ġval Ġexpected Duration : ĠSlack er Duration Ċ ) Ġ: ĠFlow Activity ( activity Name ) Ċ Ċ data Ġclass ĠDynamic Activity ( ĊĠĠĠ Ġoverride Ġval Ġactivity Name : ĠString , ĊĠĠĠ Ġval Ġminimum Duration : ĠSlack er Duration Ċ ) Ġ: ĠFlow Activity ( activity Name ) Ċ