try (MockedStatic<Smb3KeyDerivation> mockedKeyDerivation = mockStatic(Smb3KeyDerivation.class)) {
                byte[] derivedKey = new byte[16];
                Arrays.fill(derivedKey, (byte) 0xDD);
                mockedKeyDerivation.when(
                        () -> Smb3KeyDerivation.deriveSigningKey(eq(Smb2Constants.SMB2_DIALECT_0302), any(byte[].class), any(byte[].class)))

        assertEquals(level, enumEx.level);
        assertEquals(prefmaxlen, enumEx.prefmaxlen);
        assertEquals(info, enumEx.info);
        assertEquals(totalentries, enumEx.totalentries);
        assertEquals(0x15, enumEx.getOpnum());
    }

    @Test
    void testNetrDfsEnumEx_EncodeInDecodeOut() throws NdrException {
        String dfsName = "test_dfs";
        int level = 1;
        int prefmaxlen = 100;

            samr.SamrOpenAlias message = new samr.SamrOpenAlias(mockPolicyHandle, 123, 456, mockPolicyHandle);

            // Then: Should have correct values
            assertEquals(0x1b, message.getOpnum());
            assertEquals(mockPolicyHandle, message.domain_handle);
            assertEquals(123, message.access_mask);
            assertEquals(456, message.rid);

        }
        if (this.smb2) {
            if (key != -1) {
                return null;
            }
            final int cmd = Encdec.dec_uint16le(this.sbuf, 4 + 12) & 0xFFFF;
            if (cmd == 0x12) {
                return new Smb2OplockBreakNotification(getContext().getConfig());
            }
        } else {
            if (key != 0xFFFF) {
                return null;
            }