* exception
* raise하다

* expression
* statement

* frontend
* backend

* GitHub discussion
* GitHub issue

* performance
* performance optimization

* return type
* return value

* security
* security scheme

* task
* background task
* task function

* template
* template engine

* type annotation
* type hint

* server worker

  @Override
  protected <E extends Comparable<? super E>> SortedSet<E> of() {
    return ImmutableSortedSet.of();
  }

  @Override
  protected <E extends Comparable<? super E>> SortedSet<E> of(E e) {
    return ImmutableSortedSet.of(e);
  }

  @Override
  protected <E extends Comparable<? super E>> SortedSet<E> of(E e1, E e2) {
    return ImmutableSortedSet.of(e1, e2);
  }

  @Override

            return OptionalEntity.of(entity);
        case CrudMode.EDIT:
            if (form instanceof EditForm) {
                return ComponentUtil.getComponent(StemmerOverrideService.class).getStemmerOverrideItem(form.dictId, ((EditForm) form).id);
            }
            break;
        default:
            break;
        }
        return OptionalEntity.empty();
    }

    /**

        EntraIdAuthenticator authenticator = new EntraIdAuthenticator();
        authenticator.setMaxGroupDepth(2);

        // Test that depth limit returns empty arrays when depth is exceeded
        // With depth limit set to 2, depth 10 should return empty arrays
        Pair<String[], String[]> result = authenticator.getParentGroup(null, "test-id", 10);
        assertNotNull(result);

        return null;
      }
      if (systemLoader != null) {
        try {
          return systemLoader.loadClass(FINALIZER_CLASS_NAME);
        } catch (ClassNotFoundException e) {
          // Ignore. Finalizer is simply in a child class loader.
          return null;
        }
      } else {
        return null;
      }
    }
  }

  /**

            paramWordsRead = 10;
            return paramWordsRead;
        }

        @Override
        protected int readBytesWireFormat(byte[] src, int srcIndex) {
            bytesRead = 20;
            return bytesRead;
        }

        @Override
        public boolean isRetainPayload() {
            return retainPayload;
        }

        @Override
        public void setRawPayload(byte[] payload) {

        assertNotNull(decrypted);
        // With dummy data, we can't verify the content, just that it decrypts without error
        // and returns a result of the expected size.
        assertEquals(data.length - 24, decrypted.length);
    }

    /**
     * Test decrypt with an unsupported encryption type.
     */
    @Test

    @Test
    public void test_convertBooleanQuery_withNullQueryBuilder() {
        // Create processor that returns null
        QueryProcessor nullProcessor = new QueryProcessor() {
            @Override
            public QueryBuilder execute(QueryContext context, Query query, float boost) {
                return null;
            }
        };
        ComponentUtil.register(nullProcessor, "queryProcessor");

            throw new AssertionError(e);
        }
    }

    private SmbResourceLocatorImpl locator(String spec) {
        return new SmbResourceLocatorImpl(ctx, smbUrl(spec));
    }

    @Test
    @DisplayName("getName returns last path segment; falls back logically")
    void testGetNameVariants() {
        // file name from deep path
        SmbResourceLocatorImpl a = locator("smb://server/share/dir/file.txt");

But if you know that you won't need to use the dependency after returning from the *path operation function*, you can use `Depends(scope="function")` to tell FastAPI that it should close the dependency after the *path operation function* returns, but **before** the **response is sent**.

{* ../../docs_src/dependencies/tutorial008e_an_py310.py hl[12,16] *}

`Depends()` receives a `scope` parameter that can be: