public void RemoveDesignation(Designation des)
 {
     des.Notify_Removing();
     this.allDesignations.Remove(des);
 }
 private static bool <ExposeData> m__1(Designation x)
 {
     return(x.def == null);
 }
 private static Thing <DetermineReferences> m__0(Designation des)
 {
     return(des.target.Thing);
 }