// Create an instance of the class to be tested
        MsrpcGetMembersInAlias request = new MsrpcGetMembersInAlias(aliasHandle, sids);

        // Assert that the public 'sids' field is initialized as expected
        assertEquals(sids, request.sids, "The 'sids' field should be initialized by the constructor.");

        // Use reflection to access and verify protected fields from the parent class DcerpcMessage

     * @param sids the array of SIDs to lookup
     */
    public MsrpcLookupSids(final LsaPolicyHandle policyHandle, final SID[] sids) {
        super(policyHandle, new LsarSidArrayX(sids), new lsarpc.LsarRefDomainList(), new lsarpc.LsarTransNameArray(), (short) 1,
                sids.length);
        this.sids = sids;
        ptype = 0;
        flags = DCERPC_FIRST_FRAG | DCERPC_LAST_FRAG;
    }

     */
    public SID[] getGroupSids() {
        return this.groupSids;
    }

    /**
     * Returns an array of resource group SIDs the user belongs to.
     * @return the resource group SIDs array
     */
    public SID[] getResourceGroupSids() {
        return this.resourceGroupSids;
    }

    /**
     * Returns an array of extra SIDs associated with the user.
     * @return the extra SIDs array

        super(aliasHandle, sids);
        this.sids = sids;
        this.ptype = 0;
        this.flags = DCERPC_FIRST_FRAG | DCERPC_LAST_FRAG;
    }

import jcifs.dcerpc.rpc.sid_t;
import jcifs.smb.SID;

class LsarSidArrayX extends lsarpc.LsarSidArray {

    LsarSidArrayX(final jcifs.SID[] sids) {
        this.num_sids = sids.length;
        this.sids = new lsarpc.LsarSidPtr[sids.length];
        for (int si = 0; si < sids.length; si++) {
            this.sids[si] = new lsarpc.LsarSidPtr();
            this.sids[si].sid = sids[si].unwrap(sid_t.class);
        }
    }

                    if (this.sids[_i] == null) {
                        this.sids[_i] = new LsarSidPtr();
                    }
                    this.sids[_i].decode(_src);
                }
            }
        }
    }

    /** SID name type: none. */
    /** SID name type: none or unused. */
    public static final int SID_NAME_USE_NONE = 0;
    /** SID name type: user. */
    /** SID name type: user account. */

 * This class provides functionality to resolve SIDs to their corresponding
 * account names using the LSA RPC interface.
 */
public class MsrpcLookupSids extends jcifs.dcerpc.msrpc.lsarpc.LsarLookupSids {

    /**
     * Creates a new request to lookup SIDs.
     *
     * @param policyHandle the LSA policy handle
     * @param sids the array of SIDs to lookup
     */

                if (sid != null) {
                    sids[si].type = sid.type;
                    sids[si].domainName = sid.domainName;
                    sids[si].acctName = sid.acctName;
                } else {
                    list.add(sids[si]);
                }
            }

            if (list.size() > 0) {
                sids = (SID[]) list.toArray(new SID[0]);

        super(aliasHandle, sids);
        this.sids = sids;
        ptype = 0;
        flags = DCERPC_FIRST_FRAG | DCERPC_LAST_FRAG;
    }

        SIDCacheImpl cache = Mockito.spy(new SIDCacheImpl(ctx));

        // Prepare SIDs, two need resolution, one already resolved
        SID s1 = sid("S-1-5-21-10-11-12-1001");
        SID s2 = sid("S-1-5-21-10-11-12-1002");
        SID s3 = sid("S-1-5-21-10-11-12-1003");
        jcifs.SID[] arr = new jcifs.SID[] { s1, s2, s3 };

        // First call should resolve two (offset=0,length=2)
        doAnswer(inv -> {