}
    try {
      EnumBiMap.create(EnumHashBiMap.<Currency, Country>create(Currency.class));
      fail("IllegalArgumentException expected");
    } catch (IllegalArgumentException expected) {
    }

    /* Map can be empty if it's an EnumBiMap. */
    Map<Currency, Country> emptyBimap = EnumBiMap.create(Currency.class, Country.class);
    bimap = EnumBiMap.create(emptyBimap);
    assertTrue(bimap.isEmpty());
  }

            }

            project.extensions.create('thing', Thing3)

            thing.extensions.create('thing2', Thing)
            thing.thing.extensions.create('thing2', Thing)
            thing.thing.thing2.extensions.create('thing2', Thing)
            thing.thing2.extensions.create('thing2', Thing)

            thing {
                thing {
                    thing2 {

     */
    @Nonnull
    DependencyCoordinate create(@Nonnull DependencyCoordinateFactoryRequest request);

    @Nonnull
    default DependencyCoordinate create(@Nonnull Session session, @Nonnull ArtifactCoordinate coordinate) {
        return create(DependencyCoordinateFactoryRequest.build(session, coordinate));
    }

    @Nonnull

// Create an instance of the AlternativeSubgraphPass.
std::unique_ptr<OperationPass<ModuleOp>> CreateAlternativeSubgraphPass(
    llvm::ArrayRef<std::string> device_specs);

// Create an instance of ComputeCostPass.
std::unique_ptr<OperationPass<ModuleOp>> CreateComputeCostPass();

// Create an instance of PickSubgraphsPass.
std::unique_ptr<OperationPass<ModuleOp>> CreatePickSubgraphsPass();

// Create an instance of DeviceTransformGPUPass.

    @Override
    protected Set<String> create(String[] elements) {
      return ImmutableSet.copyOf(elements);
    }
  }

  public static class ImmutableSetUnsizedBuilderGenerator extends TestStringSetGenerator {
    @Override
    protected Set<String> create(String[] elements) {
      ImmutableSet.Builder<String> builder = ImmutableSet.builder();

    new EqualsTester()
        .addEqualityGroup(BloomFilter.create(Funnels.byteArrayFunnel(), 100, 0.01))
        .addEqualityGroup(BloomFilter.create(Funnels.byteArrayFunnel(), 100, 0.02))
        .addEqualityGroup(BloomFilter.create(Funnels.byteArrayFunnel(), 200, 0.01))
        .addEqualityGroup(BloomFilter.create(Funnels.byteArrayFunnel(), 200, 0.02))
        .addEqualityGroup(BloomFilter.create(Funnels.unencodedCharsFunnel(), 100, 0.01))

			actions: [][]string{
				{"create", "namespaces"},
				{"create", "namespaces"},
				{"create", "namespaces"},
				{"create", "namespaces"},
			},
		},
		{
			name:       "no system namespaces but others",
			namespaces: []string{"foo", "bar"},
			actions: [][]string{
				{"create", "namespaces"},
				{"create", "namespaces"},
				{"create", "namespaces"},
				{"create", "namespaces"},
			},
		},
		{

        return getDependencyFactory().create(getProject().project(projectPath));
    }

    /**
     * Returns the current project as a {@link ProjectDependency}.
     *
     * @return the current project as a dependency
     */
    default ProjectDependency project() {
        return getDependencyFactory().create(getProject());
    }

    /**

            }
            it.create("foo") {
                other += " create(foo)"
            }
            it.create("bar", specialItemClass) {
                other += " create(bar)"
            }
        }
        realize()

        then:
        realizeChild("foo").other == "Named create(foo)"
        realizeChild("bar").other == "Named Special SpecialItem create(bar)"
    }

Here, this section would run directly, right before starting your **FastAPI** application.

* Create an `engine`.
* Create all the tables from the `metadata` object.

```Python hl_lines="25-28"
{!../../../docs_src/async_sql_databases/tutorial001.py!}
```

## Create models

Create Pydantic models for:

* Notes to be created (`NoteIn`).