public SecurityIdentifier(System.Security.Principal.WellKnownSidType sidType, System.Security.Principal.SecurityIdentifier domainSid)
 {
 }
 public bool IsWellKnown(System.Security.Principal.WellKnownSidType type)
 {
     throw null;
 }
 public bool IsWellKnown(System.Security.Principal.WellKnownSidType type)
 {
     return(default(bool));
 }