* Security Identifier (SID) structure for DCE/RPC.
     * Represents a Windows security identifier used in RPC operations.
     */
    public static class sid_t extends NdrObject {

        /**
         * Default constructor for sid_t.
         */
        public sid_t() {
            // Default constructor
        }

        /**
         * The revision level of the SID structure.
         */

     * Represents a Windows security identifier used for access control.
     */
    public static class sid_t extends NdrObject {

        /**
         * Default constructor for sid_t.
         */
        public sid_t() {
            // Default constructor
        }

        /** The revision level of the SID structure */
        public byte revision;

            log.error("Failed to create builtin SIDs", se);
        }
    }

    /**
     * Convert a sid_t to byte array
     *
     * @param sid the RPC sid_t structure to convert
     * @return byte encoded form
     */
    public static byte[] toByteArray(final rpc.sid_t sid) {
        final byte[] dst = new byte[1 + 1 + 6 + sid.sub_authority_count * 4];
        int di = 0;
        dst[di] = sid.revision;

import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.SidResolver;
import jcifs.dcerpc.rpc;

class SIDTest {

    // Helper to build a minimal sid_t
    private static rpc.sid_t buildSidT(byte revision, byte[] identAuth, int... subs) {
        rpc.sid_t s = new rpc.sid_t();
        s.revision = revision;
        s.sub_authority_count = (byte) subs.length;
        s.identifier_authority = Arrays.copyOf(identAuth, 6);

        jcifs.SID mockSid2 = mock(jcifs.SID.class);
        jcifs.SID mockSid3 = mock(jcifs.SID.class);
        when(mockSid1.unwrap(sid_t.class)).thenReturn(mockSidT);
        when(mockSid2.unwrap(sid_t.class)).thenReturn(mockSidT);
        when(mockSid3.unwrap(sid_t.class)).thenReturn(mockSidT);
        testSids = new jcifs.SID[] { mockSid1, mockSid2, mockSid3 };

        // Act

                }
            }
        }
    }

    /**
     * Converts an RPC sid_t structure to a byte array.
     *
     * @param sid the RPC sid_t structure to convert
     * @return byte array representation of the SID
     */
    public static byte[] toByteArray(final rpc.sid_t sid) {
        final byte[] dst = new byte[1 + 1 + 6 + sid.sub_authority_count * 4];
        int di = 0;

    class SidTests {

        @Test
        @DisplayName("Should encode SID correctly")
        void testSidTEncode() throws NdrException {
            // Given: A SID with test values
            rpc.sid_t sid = new rpc.sid_t();
            sid.revision = (byte) 1;
            sid.sub_authority_count = (byte) 2;
            sid.identifier_authority = new byte[] { (byte) 0, (byte) 0, (byte) 0, (byte) 0, (byte) 0, (byte) 5 };

        public LsarDomainInfo() {
            // Default constructor
        }

        /** Domain name. */
        public rpc.unicode_string name;
        /** Domain security identifier. */
        public rpc.sid_t sid;

        @Override
        public void encode(NdrBuffer _dst) throws NdrException {
            _dst.align(4);
            _dst.enc_ndr_short(name.length);
            _dst.enc_ndr_short(name.maximum_length);

import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.SidResolver;
import jcifs.dcerpc.DcerpcHandle;
import jcifs.dcerpc.UnicodeString;
import jcifs.dcerpc.rpc;
import jcifs.dcerpc.rpc.sid_t;
import jcifs.dcerpc.msrpc.LsaPolicyHandle;
import jcifs.dcerpc.msrpc.MsrpcEnumerateAliasesInDomain;
import jcifs.dcerpc.msrpc.MsrpcGetMembersInAlias;
import jcifs.dcerpc.msrpc.MsrpcLookupSids;

        public rpc.policy_handle handle;
        /** The desired access rights to the domain */
        public int access_mask;
        /** The SID of the domain to open */
        public rpc.sid_t sid;
        /** The returned handle to the domain */
        public rpc.policy_handle domain_handle;

        /**
         * Constructs a SamrOpenDomain request.
         *