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        sessionBuilder.setArtifactTypeRegistry(new TypeRegistryAdapter(typeRegistry)); // dynamic
        sessionBuilder.setCache(request.getRepositoryCache());

        // this map is read ONLY to get config from (profiles + env + system + user)
        Map<String, String> mergedProps = createMergedProperties(request);

        // configProps map is kept "pristine", is written ONLY, the mandatory resolver config

   * a "null sentinel" to take its place. When the time comes to convert it back to a {@code T} to
   * return to a caller, the code needs to a way to return {@code null} from a method that returns
   * "plain {@code T}." This API provides that.
   */
  @SuppressWarnings({"nullness", "TypeParameterUnusedInFormals", "ReturnMissingNullable"})
  // The warnings are legitimate. Each time we use this method, we document why.
  @ParametricNullness

Ainsi, vous pouvez simplement laisser **FastAPI** utiliser la bonne version de Starlette.

## À propos de Pydantic

Pydantic inclut des tests pour **FastAPI** avec ses propres tests, ainsi les nouvelles versions de Pydantic (au-dessus
de `1.0.0`) sont toujours compatibles avec **FastAPI**.

Vous pouvez épingler Pydantic à toute version supérieure à `1.0.0` qui fonctionne pour vous et inférieure à `2.0.0`.