public CredentialsInternal renew() {
            // Returns null to represent an implementation that could not renew
            return null;
        }
    }

    // Provide different implementation behaviors to a parameterized test
    static Stream<Arguments> implementations() {
        return Stream.of(Arguments.of("returns self", (Supplier<SmbRenewableCredentials>) SelfRenewingCreds::new, true, false),

/- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
allcommon : classes bridging to DBFlute Runtime
bsbhv     : base behaviors
bsentity  : base entities
cbean     : condition-beans (both base and extended)
exbhv     : extended behaviors
exentity  : extended entities
- - - - - - - - - -/

For example, if a table called "MEMBER" exists,
you can use these classes like this:

/**
 * Form for uploading search request files to the Fess search engine.
 * This form is used in the admin interface to upload search request configuration files
 * that define search behaviors and request handling.
 */
public class UploadForm {

    /**
     * The multipart file containing the search request configurations to be uploaded.

    # - - - - - - - - - -/

    # /- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    # o dbfluteBeansDataSourceName: (NotRequired - Default 'dataSource')
    #  The data source name that DBFlute(Behaviors) uses.
    #
    # @SpringOnly
    #; dbfluteBeansDataSourceName = exampleDataSource
    # - - - - - - - - - -/

    # /- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

        mockConfig = mock(Configuration.class);
        mockCredentials = mock(Credentials.class);
        mockTransportPool = mock(SmbTransportPool.class);

        // Set up mock behaviors
        when(mockContext.getConfig()).thenReturn(mockConfig);
        when(mockContext.getCredentials()).thenReturn(mockCredentials);
        when(mockContext.getTransportPool()).thenReturn(mockTransportPool);

import org.junit.jupiter.params.provider.MethodSource;
import org.mockito.Mockito;
import org.mockito.junit.jupiter.MockitoExtension;

/**
 * Tests for SMBProtocolDowngradeException covering all constructors and behaviors.
 */
@ExtendWith(MockitoExtension.class)
class SMBProtocolDowngradeExceptionTest {

    /**
     * Provides messages including edge cases (null and empty) for parameterized testing.
     */

import org.junit.jupiter.params.provider.ValueSource;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

/**
 * Tests for SmbFilenameFilter interface behaviors via simple implementations.
 * Each test creates a concrete filter to validate expected contract semantics
 * including normal operation, null handling, edge cases, and exception flow.
 */
@ExtendWith(MockitoExtension.class)

 *
 * <h2>Collection types</h2>
 *
 * <dl>
 *   <dt>{@link Multimap}
 *   <dd>A new type, which is similar to {@link java.util.Map}, but may contain multiple entries
 *       with the same key. Some behaviors of {@link Multimap} are left unspecified and are provided
 *       only by the subtypes mentioned below.
 *   <dt>{@link ListMultimap}

 *
 * <h2>Collection types</h2>
 *
 * <dl>
 *   <dt>{@link Multimap}
 *   <dd>A new type, which is similar to {@link java.util.Map}, but may contain multiple entries
 *       with the same key. Some behaviors of {@link Multimap} are left unspecified and are provided
 *       only by the subtypes mentioned below.
 *   <dt>{@link ListMultimap}

            assertTrue(consistentRequest.isSigningEnforced(), "Implementation should consistently return the same value");
        }
    }

    @Test
    @DisplayName("Test different implementations can have different behaviors")
    void testDifferentImplementations() {
        // Given
        SmbNegotiationRequest enforcedRequest = new TestSmbNegotiationRequest(true);