return new ParameterizedTypeImpl(
        ClassOwnership.JVM_BEHAVIOR.getOwnerType(rawType), rawType, arguments);
  }

  /** Decides what owner type to use for constructing {@link ParameterizedType} from a raw class. */
  private enum ClassOwnership {
    OWNED_BY_ENCLOSING_CLASS {
      @Override
      @Nullable Class<?> getOwnerType(Class<?> rawType) {

    Constructor<ArrayList> constructor = ArrayList.class.getConstructor();
    assertEquals(
        TypeToken.of(ArrayList.class),
        TypeToken.of(ArrayList.class).constructor(constructor).getOwnerType());
    assertEquals(
        new TypeToken<ArrayList<String>>() {},
        new TypeToken<ArrayList<String>>() {}.constructor(constructor).getOwnerType());
  }

    Constructor<ArrayList> constructor = ArrayList.class.getConstructor();
    assertEquals(
        TypeToken.of(ArrayList.class),
        TypeToken.of(ArrayList.class).constructor(constructor).getOwnerType());
    assertEquals(
        new TypeToken<ArrayList<String>>() {},
        new TypeToken<ArrayList<String>>() {}.constructor(constructor).getOwnerType());
  }

    return new ParameterizedTypeImpl(
        ClassOwnership.JVM_BEHAVIOR.getOwnerType(rawType), rawType, arguments);
  }

  /** Decides what owner type to use for constructing {@link ParameterizedType} from a raw class. */
  private enum ClassOwnership {
    OWNED_BY_ENCLOSING_CLASS {
      @Override
      @Nullable Class<?> getOwnerType(Class<?> rawType) {

* 🌐 Add Russian translation for `docs/ru/docs/learn/index.md`. PR [#10539](https://github.com/tiangolo/fastapi/pull/10539) by [@AlertRED](https://github.com/AlertRED).
* 🌐 Update SQLAlchemy instruction in Chinese translation `docs/zh/docs/tutorial/sql-databases.md`. PR [#9712](https://github.com/tiangolo/fastapi/pull/9712) by [@Royc30ne](https://github.com/Royc30ne).