if (collection.isEmpty()) {
        return false;
      }
      int oldSize = size(); // calls refreshIfEmpty
      boolean changed = delegate.addAll(collection);
      if (changed) {
        int newSize = delegate.size();
        totalSize += newSize - oldSize;
        if (oldSize == 0) {
          addToMap();
        }
      }
      return changed;
    }

    @Override

    }

    @Test
    void testGetSecurityWithMismatchedSize() throws Exception {
        // Test when sd_size doesn't match actual array size
        srvsvc.ShareInfo502 info502 = new srvsvc.ShareInfo502();
        info502.security_descriptor = new byte[] { 1, 2, 3, 4 };
        info502.sd_size = 100; // Mismatched size - SecurityDescriptor will try to read beyond array bounds

        // Replace info field

        /**
         * The share password (if any).
         */
        public String password;
        /**
         * The size of the security descriptor.
         */
        public int sd_size;
        /**
         * The security descriptor bytes.
         */
        public byte[] security_descriptor;

        @Override
        public void encode(NdrBuffer _dst) throws NdrException {

		// Calculate the object real size if encrypted
		if _, ok := crypto.IsEncrypted(gr.ObjInfo.UserDefined); ok {
			objSize, err = gr.ObjInfo.DecryptedSize()
			if err != nil {
				return nil, ObjectInfo{}, err
			}
		} else {
			objSize = gr.ObjInfo.Size
		}

		files, err := zipindex.ReadDir(b[len(b)-size:], objSize, nil)
		if err == nil {
			return files, gr.ObjInfo, nil
		}
		var terr zipindex.ErrNeedMoreData

        shareInfo502.permissions = 2;
        shareInfo502.max_uses = 10;
        shareInfo502.current_uses = 5;
        shareInfo502.path = "C:\\test";
        shareInfo502.password = "password";
        shareInfo502.sd_size = 2;
        shareInfo502.security_descriptor = new byte[] { 1, 2 };

        // Set up mocks for the security descriptor encoding
        mockDeferredBuffer.index = 0; // Set field directly

        private int mainSize;
        private int inSize;
        private int outSize;

        TestSubSearcher(int mainSize, int inSize, int outSize) {
            this.mainSize = mainSize;
            this.inSize = inSize;
            this.outSize = outSize;
        }

        @Override

	decryptedRangeRef := func(s []int64, skipLen, readLen int64, isFromEnd bool) (o, l, skip int64, sn uint32, ps int) {
		oSize := lsum(s)
		if isFromEnd {
			skipLen = oSize - readLen
		}
		if skipLen < 0 || readLen < 0 || oSize < 0 || skipLen+readLen > oSize {
			t.Fatalf("Impossible read specified: %d %d %d", skipLen, readLen, oSize)
		}

		var cumulativeSum, cumulativeEncSum int64
		toRead := readLen
		readStart := false

        /**
         * The share password (if any).
         */
        public String password;
        /**
         * The size of the security descriptor.
         */
        public int sd_size;
        /**
         * The security descriptor bytes.
         */
        public byte[] security_descriptor;

        @Override
        public void encode(NdrBuffer _dst) throws NdrException {

				MetaUsr   struct {
					Etag string `json:"etag"`
				}
			}
		}
		var ei erasureInfo
		var idx int
		if err := json.Unmarshal(meta, &ei); err == nil && ei.V2Obj != nil {
			if m.objSize == 0 {
				m.objSize = ei.V2Obj.Size
			}
			m.data = ei.V2Obj.EcM
			m.parity = ei.V2Obj.EcN
			if len(ei.V2Obj.PartNums) == 1 && !strings.ContainsRune(ei.V2Obj.MetaUsr.Etag, '-') {
				m.wantMD5 = ei.V2Obj.MetaUsr.Etag

  private static int[] expandAndFillWithAbsent(int[] array, int newSize) {
    int oldSize = array.length;
    int[] result = Arrays.copyOf(array, newSize);
    Arrays.fill(result, oldSize, newSize, ABSENT);
    return result;
  }

  @Override
  public int size() {
    return size;
  }

  /**