import java.util.concurrent.ExecutionException;

/**
 * This class provides a skeletal implementation of the {@code Cache} interface to minimize the
 * effort required to implement this interface.
 *
 * <p>To implement a cache, the programmer needs only to extend this class and provide an
 * implementation for the {@link #get(Object)} and {@link #getIfPresent} methods. {@link

import java.util.NoSuchElementException;
import org.jspecify.annotations.Nullable;

/**
 * This class provides a skeletal implementation of the {@code Iterator} interface, to make this
 * interface easier to implement for certain types of data sources.
 *
 * <p>{@code Iterator} requires its implementations to support querying the end-of-data status
 * without changing the iterator's state, using the {@link #hasNext} method. But many data sources,

                CustomSizeValidator.class.getName());

        // Test that it implements ConstraintValidator
        assertTrue("Should implement ConstraintValidator",
                jakarta.validation.ConstraintValidator.class.isAssignableFrom(CustomSizeValidator.class));
    }

    @Test
    public void test_methodsExist() {

 * {@link ValueGraph}, and {@link Network}):
 *
 * {@snippet :
 * someGraphAlgorithm(startNode, graph);
 * }
 *
 * This works because those types each implement {@code PredecessorsFunction}. It will also work
 * with any other implementation of this interface.
 *
 * <p>If you have your own graph implementation based around a custom node type {@code MyNode},

 * {@link ValueGraph}, and {@link Network}):
 *
 * {@snippet :
 * someGraphAlgorithm(startNode, graph);
 * }
 *
 * This works because those types each implement {@code SuccessorsFunction}. It will also work with
 * any other implementation of this interface.
 *
 * <p>If you have your own graph implementation based around a custom node type {@code MyNode},

        assertTrue(ex1 instanceof DcerpcError, "DcerpcException should implement DcerpcError");

        // Test that DcerpcException can be created with string messages
        DcerpcException ex2 = new DcerpcException("Access denied error");
        assertTrue(ex2 instanceof DcerpcError, "DcerpcException should implement DcerpcError");

        // Test with root cause

| Maximum number of versions per object                                           | 10000 (can be configured to higher values but we do not recommend beyond 10000) |

        key.encode(buffer, 2);

        for (int i = 0; i < 16; i++) {
            assertEquals(testBytes[i], buffer[i + 2]);
        }
    }

    @Test
    @DisplayName("Should implement equals correctly")
    void testEquals() {
        byte[] testBytes1 = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10 };

That documentation will show up in the Swagger UI at `/docs` in your API, and it will let external developers know how to build the *external API*.

This example doesn't implement the callback itself (that could be just a line of code), only the documentation part.

/// tip

The actual callback is just an HTTP request.

    @Test
    @DisplayName("EmptyIterator should implement CloseableIterator interface")
    void testInterfaceImplementation() {
        // Then
        assertTrue(emptyIterator instanceof CloseableIterator, "Should implement CloseableIterator");
        assertTrue(emptyIterator instanceof Iterator, "Should implement Iterator");
        assertTrue(emptyIterator instanceof AutoCloseable, "Should implement AutoCloseable");
    }

    @Test