* If the new value is loaded successfully it will replace the previous value in the cache; if an
   * exception is thrown while refreshing the previous value will remain, <i>and the exception will
   * be logged (using {@link java.util.logging.Logger}) and swallowed</i>.
   *
   * <p>Caches loaded by a {@link CacheLoader} will call {@link CacheLoader#reload} if the cache

A subroute on a client must match a subroute on the server. So routes cannot be used for dynamic routing, unlike HTTP.

Handlers should remain backwards compatible. If a breaking API change is required, a new handler ID should be created.

## Setup & Configuration

A **Manager** is used to manage all incoming and outgoing connections to a server.

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### Solo Python moderno { #just-modern-python }

Todo está basado en declaraciones estándar de **tipos en Python** (gracias a Pydantic). Sin nueva sintaxis que aprender. Solo Python moderno estándar.

Si necesitas un repaso de 2 minutos sobre cómo usar tipos en Python (aunque no uses FastAPI), revisa el tutorial corto: [Tipos en Python](python-types.md).

Escribes Python estándar con tipos:

```Python
from datetime import date

        // Verify query builder was created successfully
        // Note: In unit test environment without LastaFlute request,
        // context.highlightedQuerySet and context.fieldLogMap remain null,
        // so context updates cannot be verified. This is expected behavior.
    }

    /**
     * Test convertWithFieldCheck() with different boost values.
     */
    @Test