* recommended that the caller does not persist a reference to the backing map (unless the backing
 * map is immutable).
 *
 * <p>This class is tailored toward use cases in common.graph. It is *NOT* a general purpose map.
 *
 * @author James Sexton
 */
class MapIteratorCache<K, V> {
  private final Map<K, V> backingMap;

  /*

            // Verify the actual cause is SMBProtocolDecodingException
            assertTrue(exception instanceof java.lang.reflect.InvocationTargetException, "Should be wrapped in InvocationTargetException");
            Throwable cause = exception.getCause();
            assertTrue(cause instanceof SMBProtocolDecodingException, "Actual cause should be SMBProtocolDecodingException");

### Usage scanner

   * non-nullable {@code cause}, as many users expect to find one.
   */
  public ExecutionError(@Nullable String message, @Nullable Error cause) {
    super(message, cause);
  }

  /**
   * Creates a new instance with {@code null} as its detail message and the given cause. Prefer to
   * provide a non-nullable {@code cause}, as many users expect to find one.
   */

        // Then
        assertSame(cause, exception.getCause(), "Crypto cause should be preserved");
        assertEquals(cause.toString(), exception.getMessage(), "Message should be cause.toString() when only cause is provided");
    }

    @Test
    @DisplayName("Message and cause constructor should preserve both crypto parameters")
    void testMessageAndCauseConstructor() {

        }
    }

    @Test
    @DisplayName("Cause-only constructor: preserves provided cause; no interactions with cause")
    void causeOnlyConstructor_preservesCause_andNoInteractions() {
        // Arrange & Act
        SMBProtocolDecodingException ex = new SMBProtocolDecodingException(mockCause);

        // Assert cause propagation
        assertSame(mockCause, ex.getCause(), "Cause should be exactly the provided instance");

        // Test constructor with message and cause
        String message = "Query parsing failed";
        Exception cause = new IllegalArgumentException("Invalid query syntax");

        SearchQueryException exception = new SearchQueryException(message, cause);

        assertEquals(message, exception.getMessage());
        assertEquals(cause, exception.getCause());

        // Test constructor with message and cause
        String message = "Test error message";
        Throwable cause = new RuntimeException("Underlying cause");
        SearchEngineClientException exception = new SearchEngineClientException(message, cause);

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
        assertEquals(cause, exception.getCause());
    }

        List<BooleanClause> clauses = ((BooleanQuery) query).clauses();
        assertEquals(TermQuery.class, clauses.get(0).query().getClass());
        assertEquals("_default:fess", clauses.get(0).query().toString());
        assertEquals(Occur.MUST, clauses.get(0).occur());
        assertEquals(TermQuery.class, clauses.get(1).query().getClass());
        assertEquals("_default:codelibs", clauses.get(1).query().toString());

    *  - vSphere cloud provider (VCP) uses OS hostname and not vSphere Inventory VM Name.
    *    That means, now  VCP can handle cases where user changes VM inventory name.
    * - VCP can handle cases where VM migrates to other ESXi cluster or datacenter or vCenter.