rpcSid.sub_authority = new int[] { 21, 123, 456, 789, 1000 };

        SID userSid = new SID(rpcSid, SID.SID_TYPE_USER, "MYDOMAIN", "user", false);
        SID domainSid = userSid.getDomainSid();
        assertEquals("S-1-5-21-123-456-789", domainSid.toString());
        assertEquals(SID.SID_TYPE_DOMAIN, domainSid.getType());
    }

    /**
     * Test getting the RID.
     *

            assertEquals("S-1-5-21-1-2-3-1029", sid.toString());
            // RID is the last subauthority
            assertEquals(1029, sid.getRid());
            // getDomainSid should drop the last subauthority
            assertEquals("S-1-5-21-1-2-3", sid.getDomainSid().toString());
        }

        @Test
        @DisplayName("Textual constructor with hex identifier authority")

            blank = blank && sub == 0;
        }
        return blank;
    }

    /**
     *
     * @return domain SID
     */
    @Override
    public SID getDomainSid() {
        return new SID(this, SID_TYPE_DOMAIN, this.domainName, null, getType() != SID_TYPE_DOMAIN);
    }

    /**
     * Get the RID
     *
     * This is the last subauthority identifier
     *

    /**
     * SID type indicating an unknown account type.
     */
    int SID_TYPE_UNKNOWN = 8;

    /**
     * Gets the domain SID for this SID.
     *
     * @return domain SID
     */
    SID getDomainSid();

    /**
     * Get the RID
     *
     * This is the last subauthority identifier
     *
     * @return the RID
     */
    int getRid();

    /**

            }
        }
    }

    /**
     * Gets the domain SID for this SID.
     *
     * @return domain SID
     */
    public SID getDomainSid() {
        return new SID(this, SID_TYPE_DOMAIN, this.domainName, null, getType() != SID_TYPE_DOMAIN);
    }

    /**
     * Gets the RID (relative identifier) of this SID.
     *
     * @return the RID

            try {
                final CIFSContext context = file.getContext();
                final SID[] children = context.getSIDResolver()
                        .getGroupMemberSids(context, file.getServer(), sid.getDomainSid(), sid.getRid(),
                                org.codelibs.jcifs.smb.impl.SID.SID_FLAG_RESOLVE_SIDS);
                for (final SID child : children) {
                    if (!sidSet.contains(child)) {