*
 * <p>This class is not intended as a direct analogue of any existing "option" or "maybe" construct
 * from other programming environments, though it may bear some similarities.
 *
 * <p>An instance of this class is serializable if its reference is absent or is a serializable
 * object.
 *

 *
 * <p>This class is not intended as a direct analogue of any existing "option" or "maybe" construct
 * from other programming environments, though it may bear some similarities.
 *
 * <p>An instance of this class is serializable if its reference is absent or is a serializable
 * object.
 *

            dest.put(destPropertyName, convertedValue);
        }
    }

    /**
     * コピー元のBeanを新しいBeanのインスタンスにコピーして返します。
     *
     * @param <T> コピー先となるBeanの型
     * @param src コピー元のBean。{@literal null}であってはいけません
     * @param destClass コピー先となるBeanの型。{@literal null}であってはいけません
     * @return コピーされた新しいBean
     */
    public static <T> T copyBeanToNewBean(final Object src, final Class<T> destClass) {

        SomeBean bean = new SomeBean();

        Xpp3Dom config = toConfig("<file>test</file>");

        DefaultBeanConfigurationRequest request = new DefaultBeanConfigurationRequest();
        request.setBean(bean).setConfiguration(config);

        configurator.configureBean(request);

        assertEquals(new File("test"), bean.file);
    }

    @Test

    }

    /**
     * @throws Exception
     */
    @Test
    public void testCopyBeanToBean_converter() throws Exception {
        final Bean bean = new Bean();
        bean.aaa = "1,000";
        final Bean2 bean2 = new Bean2();
        BeanUtil.copyBeanToBean(bean, bean2, converter(new NumberConverter("#,##0")));
        assertThat(bean2.aaa, is(new Integer(1000)));
    }

    /**
     * @throws Exception

     * @return need to be online
     */
    boolean onlineRequired() default false;

    /**
     * TODO: v4: add a SPI for the configurator
     * configurator bean name.
     * @return the configurator bean name
     */
    @Nonnull
    String configurator() default "";

 *     }
 * }
 * </pre>
 *
 * @author higa
 * @see BeanDescFactory
 */
public interface BeanDesc {

    /**
     * Beanのクラスを返します。
     *
     * @param <T>
     *            Beanのクラス
     * @return Beanのクラス
     */
    <T> Class<T> getBeanClass();

    /**
     * 型変数から型引数へのマップを返します。
     *
     * @return 型変数から型引数へのマップ
     */

```

</div>

**SANGAT disarankan** agar kamu menulis atau menyalin kode, mengubahnya dan menjalankannya secara lokal.

Dengan menggunakannya di dalam editor, benar-benar memperlihatkan manfaat dari FastAPI, melihat bagaimana sedikitnya kode yang harus kamu tulis, semua pengecekan tipe, pelengkapan otomatis, dll.

---

## Install FastAPI

   * multisets ("constant multisets"). Example:
   *
   * <pre>{@code
   * public static final ImmutableMultiset<Bean> BEANS =
   *     new ImmutableMultiset.Builder<Bean>()
   *         .addCopies(Bean.COCOA, 4)
   *         .addCopies(Bean.GARDEN, 6)
   *         .addCopies(Bean.RED, 8)
   *         .addCopies(Bean.BLACK_EYED, 10)
   *         .build();
   * }</pre>
   *

   * multisets ("constant multisets"). Example:
   *
   * <pre>{@code
   * public static final ImmutableMultiset<Bean> BEANS =
   *     new ImmutableMultiset.Builder<Bean>()
   *         .addCopies(Bean.COCOA, 4)
   *         .addCopies(Bean.GARDEN, 6)
   *         .addCopies(Bean.RED, 8)
   *         .addCopies(Bean.BLACK_EYED, 10)
   *         .build();
   * }</pre>
   *