@CollectionSize.Require(absent = ZERO)
  public void testAdd_supportedNullPresent() {
    E[] array = createArrayWithNullElement();
    collection = getSubjectGenerator().create(array);
    assertFalse("add(nullPresent) should return false", getSet().add(null));
    expectContents(array);
  }

  /**
   * Returns the {@link Method} instance for {@link #testAdd_supportedNullPresent()} so that tests

 */
@Deprecated(since = "4.0.0")
public interface RootLocator {

    String UNABLE_TO_FIND_ROOT_PROJECT_MESSAGE = "Unable to find the root directory. "
            + "Create a .mvn directory in the root directory or add the root=\"true\""
            + " attribute on the root project's model to identify it.";

    @Nonnull
    default Path findMandatoryRoot(Path basedir) {

                        }
                    },
                },
                "post": {
                    "tags": ["items"],
                    "summary": "Create Item",
                    "operationId": "create_item_items__post",
                    "requestBody": {
                        "content": {
                            "application/json": {

                                    }
                                }
                            },
                        },
                    },
                    "summary": "Create Item",
                    "operationId": "create_item_items__post",
                    "requestBody": {
                        "content": {
                            "application/json": {

                                    }
                                }
                            },
                        },
                    },
                    "summary": "Create Multiple Images",
                    "operationId": "create_multiple_images_images_multiple__post",
                    "requestBody": {
                        "content": {
                            "application/json": {

     */
    SettableFuture<@Nullable Void> newFuture = SettableFuture.create();

    ListenableFuture<@Nullable Void> oldFuture = ref.getAndSet(newFuture);

    // Invoke our task once the previous future completes.
    TrustedListenableFutureTask<T> taskFuture = TrustedListenableFutureTask.create(task);
    oldFuture.addListener(taskFuture, taskExecutor);

    @Override
    public ColumnRealName toColumnRealName(String columnDbName) {
        return ColumnRealName.create(xgetAliasName(), toColumnSqlName(columnDbName));
    }

    @Override
    public ColumnRealName toColumnRealName(ColumnInfo columnInfo) {
        return ColumnRealName.create(xgetAliasName(), columnInfo.getColumnSqlName());
    }

    @Override

                response.readDataWireFormat(null, 0, 0);
            });
        }
    }

    // Helper methods for creating test buffers

    private byte[] createValidDfsReferralBuffer() {
        // Create a buffer representing a valid DFS referral response
        // Need to include space for actual string data
        int stringDataStart = 28; // After the referral structure
        String testPath = "\\server\\share";

    @BeforeEach
    void setUp() {
        mockConfig = mock(Configuration.class);
        response = new Smb2TreeConnectResponse(mockConfig);
    }

    @Test
    @DisplayName("Should create response with configuration")
    void testConstructorWithConfiguration() {
        // Given & When
        Smb2TreeConnectResponse resp = new Smb2TreeConnectResponse(mockConfig);

        // Then

Some of these solutions may also be open source or offer free tiers, so you can try them without a financial commitment. Other commercial SDK generators are available and can be found online. 🤓

## Create a TypeScript SDK { #create-a-typescript-sdk }

Let's start with a simple FastAPI application:

{* ../../docs_src/generate_clients/tutorial001_py39.py hl[7:9,12:13,16:17,21] *}