mGrantee = zimbraId;  mType    = type; mRights  = rights;    mInherit = inherit;
mGrantee = zimbraId; mType    = type; mRights  = (short) (rights & GRANTABLE_RIGHTS); mInherit = inherit;
        Grant(String zimbraId, byte type, short rights, boolean inherit) {            mGrantee = zimbraId;  mType    = type;            mRights  = rights;    mInherit = inherit;        }