// to the caller.
  virtual std::unique_ptr<RunMetadata> ExportRunMetadata() = 0;

  // For LLVM style RTTI.
  static bool classof(const AbstractContext* ptr) {
    return ptr->getKind() == kEager || ptr->getKind() == kTfrt;
  }

  //===--------------------------------------------------------------------===//
  // Experimental Custom Device.

      return FullTypeDef();
    } else {
      return *ft;
    }
  }

  TF_Output output_;

  // For LLVM style RTTI.
  static bool classof(const AbstractTensorHandle* ptr) {
    return ptr->getKind() == kGraph;
  }

 private:
  TF_Graph* graph_;  // For shape inference.
};

// GraphOperation wraps and populates a TF_OperationDescription.
class GraphOperation : public TracingOperation {
 public:

    class ConstructorTests {

        private Configuration mockConfig;

        @BeforeEach
        void setUp() {
            mockConfig = mock(Configuration.class);
            when(mockConfig.getPid()).thenReturn(12345);
        }

        @Test
        @DisplayName("Should initialize with correct command and MID")
        void testConstructorInitialization() throws Exception {
            // Given

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

        SID userSid = new SID(rpcSid, SID.SID_TYPE_USER, "MYDOMAIN", "user", false);
        assertEquals(1000, userSid.getRid());
    }

    /**
     * Test getting the RID from a domain SID.
     *
     * @throws SmbException if the SID string is invalid
     */
    @Test
    void testGetRidOnDomainSid() throws SmbException {

    }

    @Test
    @DisplayName("Test setMid and getMid methods")
    void testSetAndGetMid() {
        // Given
        long expectedMid = 12345L;
        doNothing().when(messageBlock).setMid(expectedMid);
        when(messageBlock.getMid()).thenReturn(expectedMid);

        // When
        messageBlock.setMid(expectedMid);
        long actualMid = messageBlock.getMid();

        // Then

    }

    @Test
    @DisplayName("Test configuration usage")
    void testConfigurationUsage() {
        // Verify configuration is used - getPid() is called in parent constructor
        verify(mockConfig, atLeastOnce()).getPid();
    }

    @Test
    @DisplayName("Test transaction response with different commands")
    void testTransactionResponseWithDifferentCommands() {

            assertEquals(0x3456, testBlock.getFlags2());
            assertEquals(0x1234, testBlock.getTid());
            assertEquals(0x5678, testBlock.getPid());
            assertEquals(0x9ABC, testBlock.getUid());
            assertEquals(0xDEF0, testBlock.getMid());
        }

        @Test
        @DisplayName("Test decode with signature verification failure")

        // Test mid methods
        long mid = 123456L;
        doNothing().when(response).setMid(mid);
        when(response.getMid()).thenReturn(mid);
        response.setMid(mid);
        assertEquals(mid, response.getMid());

        // Test command methods
        int command = 0x25;
        doNothing().when(response).setCommand(command);

            this.andx.setFlags(getFlags());
            this.andx.setFlags2(getFlags2());
            this.andx.setTid(getTid());
            this.andx.setPid(getPid());
            this.andx.setUid(getUid());
            this.andx.setMid(getMid());
            this.andx.setUseUnicode(this.isUseUnicode());

            if (this.andx instanceof AndXServerMessageBlock) {

                    return this._domains.map;
                }
            }
        } catch (final IOException ioe) {
            if (log.isDebugEnabled()) {
                log.debug("getting trusted domains failed: " + tf.getCredentials().getUserDomain(), ioe);
            }
            final CacheEntry<Map<String, CacheEntry<DfsReferralDataInternal>>> entry = new CacheEntry<>(tf.getConfig().getDfsTtl() * 10L);