@Require(value = FOO, absent = FOO)
    class Tester {}

    ConflictingRequirementsException e =
        assertThrows(
            ConflictingRequirementsException.class, () -> buildTesterRequirements(Tester.class));
    assertThat(e.getConflicts()).containsExactly(FOO);
    assertThat(e.getSource()).isEqualTo(Tester.class.getAnnotation(Require.class));
  }

    void copyFile_serverSide_zeroLength_happyPath() throws Exception {
        // Arrange
        SmbFile src = mock(SmbFile.class);
        SmbFile dest = mock(SmbFile.class);

        SmbTreeHandleImpl sh = mock(SmbTreeHandleImpl.class);
        SmbTreeHandleImpl dh = mock(SmbTreeHandleImpl.class);
        when(sh.isSMB2()).thenReturn(true);
        when(dh.isSMB2()).thenReturn(true);

And an `APIRoute` subclass to use that custom request class.

### Create a custom `GzipRequest` class { #create-a-custom-gziprequest-class }

/// tip

This is a toy example to demonstrate how it works, if you need Gzip support, you can use the provided [`GzipMiddleware`](../advanced/middleware.md#gzipmiddleware).

///

        } catch (NoSuchMethodException e) {
            fail("All expected public methods should exist: " + e.getMessage());
        }
    }

    @Test
    public void test_utilityClass_pattern() {
        // Verify utility class design pattern compliance

        // 1. Class should have protected constructor
        Constructor<?>[] constructors = ThreadDumpUtil.class.getDeclaredConstructors();

        project.getPluginManager().apply(LicenseHeadersPrecommitPlugin.class);
        project.getPluginManager().apply(FilePermissionsPrecommitPlugin.class);
        project.getPluginManager().apply(TestingConventionsPrecommitPlugin.class);
        project.getPluginManager().apply(LoggerUsagePrecommitPlugin.class);
        project.getPluginManager().apply(JarHellPrecommitPlugin.class);

import org.dbflute.dbway.DBDef;
import org.dbflute.util.DfTypeUtil;

/**
 * @author ESFlute (using FreeGen)
 */
public class KeyMatchDbm extends AbstractDBMeta {

    protected static final Class<?> suppressUnusedImportLocalDateTime = LocalDateTime.class;

    // ===================================================================================

        kryo.register(Byte.class);
        kryo.register(byte[].class);
        kryo.register(Short.class);
        kryo.register(short[].class);
        kryo.register(Character.class);
        kryo.register(char[].class);

        // Common object types
        kryo.register(Object.class);
        kryo.register(Object[].class);
        kryo.register(Class.class);

        // Date and time types

  }

  /**
   * A builder for creating immutable class-to-instance maps. Example:
   *
   * {@snippet :
   * static final ImmutableClassToInstanceMap<Handler> HANDLERS =
   *     new ImmutableClassToInstanceMap.Builder<Handler>()
   *         .put(FooHandler.class, new FooHandler())
   *         .put(BarHandler.class, new SubBarHandler())
   *         .put(Handler.class, new QuuxHandler())
   *         .build();
   * }
   *

          .put(NoSuchElementException.class, e -> e instanceof NoSuchElementException)
          .put(NullPointerException.class, e -> e instanceof NullPointerException)
          .put(NumberFormatException.class, e -> e instanceof NumberFormatException)
          .put(RuntimeException.class, e -> e instanceof RuntimeException)
          .put(SomeCheckedException.class, e -> e instanceof SomeCheckedException)

            ListenableFuture.class.getMethod("addListener", Runnable.class, Executor.class));
    assertWithMessage(
            "Do not add new supertypes to ListenableFuture. Its API needs to continue to match the"
                + " version we released in a separate artifact com.google.guava:listenablefuture.")
        .that(ListenableFuture.class.getInterfaces())
        .asList()
        .containsExactly(Future.class);
  }