Hierbei können Sie **Typannotationen** genauso verwenden, wie Sie es bei Werten von Funktions-**Parametern** machen; verwenden Sie Pydantic-Modelle, Listen, Dicts und skalare Werte wie Nummern, Booleans, usw.

{* ../../docs_src/response_model/tutorial001_01_py310.py hl[16,21] *}

FastAPI wird diesen Rückgabetyp verwenden, um:

* Die zurückzugebenden Daten zu **validieren**.

All named types are <a href="#Type_identity">distinct</a>.
</p>

<h3 id="Boolean_types">Boolean types</h3>

<p>
A <i>boolean type</i> represents the set of Boolean truth values
denoted by the predeclared constants <code>true</code>
and <code>false</code>. The predeclared boolean type is <code>bool</code>;
it is a <a href="#Types">named type</a>.
</p>

<h3 id="Numeric_types">Numeric types</h3>

  private static boolean isDurationBased(Method method) {
    Class<?>[] parameterTypes = method.getParameterTypes();
    return parameterTypes.length >= 1
        && parameterTypes[parameterTypes.length - 1] == Duration.class;
  }

  /** Determines whether the given method returns a boolean value. */
  private static boolean isBoolean(Method method) {
    return method.getReturnType() == boolean.class;
  }

    }

    // Test LdapManager implementation
    private static class TestLdapManager extends LdapManager {
        boolean insertCalled = false;
        boolean deleteCalled = false;
        boolean changePasswordCalled = false;
        boolean applyCalled = false;
        boolean applyModifiesUser = false;

        User insertedUser;
        User deletedUser;
        User appliedUser;

  public @Nullable E pollLast() {
    return delegate.pollLast();
  }

  @Override
  public boolean remove(Object object) {
    return delegate.remove(checkValid(object));
  }

  @Override
  public boolean removeAll(Collection<?> c) {
    return delegate.removeAll(c);
  }

  @Override
  public boolean retainAll(Collection<?> c) {
    return delegate.retainAll(c);
  }

  @Override

            }

            @Override
            public boolean isPasswordRequireUppercase() {
                return false;
            }

            @Override
            public boolean isPasswordRequireLowercase() {
                return false;
            }

            @Override
            public boolean isPasswordRequireDigit() {
                return false;
            }

        }

        @Override
        public boolean isRequestedSessionIdFromCookie() {
            return false;
        }

        @Override
        public boolean isRequestedSessionIdFromURL() {
            return false;
        }

        @Override
        public boolean authenticate(jakarta.servlet.http.HttpServletResponse response) {
            return false;
        }

        @Override

            public String getSmbAvailableSidTypes() {
                return "1,2,4:2,5:1";
            }

            @Override
            public boolean isLdapLowercasePermissionName() {
                return false;
            }

            @Override
            public boolean isLdapIgnoreNetbiosName() {
                return false;
            }
        });
        sambaHelper.init();

        // Control behavior
        boolean createIndexResult = true;
        boolean deleteIndexResult = true;
        boolean reindexResult = true;
        boolean existsIndexResult = true;
        long documentCount = 10;
        int aliasCount = 2;

        // For simulating backup document count mismatch
        long backupDocumentCount = 10;
        boolean useBackupDocumentCount = false;

  /** See {@link java.lang.reflect.AccessibleObject#setAccessible(boolean)}. */
  public final void setAccessible(boolean flag) {
    accessibleObject.setAccessible(flag);
  }

  /** See {@link java.lang.reflect.AccessibleObject#trySetAccessible()}. */
  @SuppressWarnings("CatchingUnchecked") // sneaky checked exception
  public final boolean trySetAccessible() {