* bufferIndex, and thus headerStart, would be 4).(NOTE: If one where
     * looking for a way to improve perfomance this is precisly what you
     * would want to do as the jcifs.smb1.netbios.SocketXxxputStream classes
     * arraycopy all data read or written into a new buffer shifted over 4!)
     */

    byte command, flags;
    int headerStart, length, batchLevel, errorCode, flags2, tid, pid, uid, mid, wordCount, byteCount;

    @Nonnull
    PathScope getPathScope();

    /**
     * Returns a filter for the types of path (class-path, module-path, …) accepted by the tool.
     * For example, if a Java tools accepts only class-path elements, then the filter should return
     * {@code true} for {@link JavaPathType#CLASSES} and {@code false} for {@link JavaPathType#MODULES}.

            else:
                # It would probably make more sense for all response classes to have an
                # explicit default status_code, and to extract it from them, instead of
                # doing this inspection tricks, that would probably be in the future
                # TODO: probably make status_code a default class attribute for all
                # responses in Starlette

    }

    // Helper methods for creating mock objects
    private SearchRequestParams createMockSearchRequestParams() {
        return new MockSearchRequestParams();
    }

    // Mock classes
    private static class MockFessConfig extends FessConfig.SimpleImpl {
        private static final long serialVersionUID = 1L;

        @Override
        public String getCookieSearchParameterRequiredKeys() {

# Object classes for LDAP admin user.
ldap.admin.user.object.classes=organizationalPerson,top,person,inetOrgPerson
# Role filter for LDAP admin.
ldap.admin.role.filter=cn\=%s
# Base DN for LDAP admin role.
ldap.admin.role.base.dn=ou\=Role,dc\=fess,dc\=codelibs,dc\=org
# Object classes for LDAP admin role.
ldap.admin.role.object.classes=groupOfNames
# Group filter for LDAP admin.

    ImmutableDoubleArray iia = ImmutableDoubleArray.of(0, 1, 3);
    assertThrows(IndexOutOfBoundsException.class, () -> iia.get(-1));
    assertThrows(IndexOutOfBoundsException.class, () -> iia.get(3));

    ImmutableDoubleArray sub = iia.subArray(1, 2);
    assertThrows(IndexOutOfBoundsException.class, () -> sub.get(-1));
  }

  public void testIndexOf() {

        assertNull(roleQueryHelper.cookieNameMap);
        assertNotNull(roleQueryHelper.defaultRoleList);
        assertEquals(0, roleQueryHelper.defaultRoleList.size());
    }

    // Mock classes

    static class MockFessConfig extends FessConfig.SimpleImpl {
        @Override
        public String[] getSearchDefaultPermissionsAsArray() {
            return new String[] { "guest", "default" };
        }

/**
 * Implementation class of {@link BeanDesc}.
 *
 * @author higa
 */
public class BeanDescImpl implements BeanDesc {

    /** Empty object array */
    protected static final Object[] EMPTY_ARGS = new Object[0];

    /** Empty class array */
    protected static final Class<?>[] EMPTY_PARAM_TYPES = new Class<?>[0];

    /** The class of the bean */
    protected final Class<?> beanClass;

```Python hl_lines="1"
{!> ../../docs_src/python_types/tutorial009_py310.py!}
```

////

使用 `str | None` 而不是單純的 `str`，可以讓編輯器幫你偵測錯誤，例如你以為某個值一定是 `str`，但它其實也可能是 `None`。

### 類別作為型別 { #classes-as-types }

你也可以用類別來宣告變數的型別。

假設你有一個 `Person` 類別，帶有名稱：

{* ../../docs_src/python_types/tutorial010_py310.py hl[1:3] *}

接著你可以宣告一個變數為 `Person` 型別：

     * as of Animal Sniffer 1.24. Maybe Animal Sniffer processes this nested class before it
     * processes Streams and thus hasn't had a chance to see Streams's annotation?
     */
    @IgnoreJRERequirement
    final class WithCharacteristics implements Spliterator<T> {
      private final Spliterator.OfInt delegate;

      WithCharacteristics(Spliterator.OfInt delegate) {