* all the relational databases
* NoSQL databases
* external packages
* external APIs
* authentication and authorization systems
* API usage monitoring systems
* response data injection systems
* etc.

## Simple and Powerful { #simple-and-powerful }

Although the hierarchical dependency injection system is very simple to define and use, it's still very powerful.

  }

  /**
   * A predicate that is expected to return true subsequent to finalization, that is, one
   * of the following actions taken by the garbage collector when performing a full collection in
   * response to {@link System#gc()}:
   *
   * <ul>
   *   <li>invoking the {@code finalize} methods of unreachable objects
   *   <li>clearing weak references to unreachable referents

// encryption schemes. Such an ETag must be decrypted before sent to an
// S3 client.
//
// # S3 Clients
//
// There are many different S3 client implementations. Most of them
// access the ETag by looking for the HTTP response header key "Etag".
// However, some of them assume that the header key has to be "ETag"
// (case-sensitive) and will fail otherwise.
// Further, some clients require that the ETag value is a double-quoted

pkg net/http, method (*ClientConn) InFlight() int #75772
pkg net/http, method (*ClientConn) Release() #75772
pkg net/http, method (*ClientConn) Reserve() error #75772
pkg net/http, method (*ClientConn) RoundTrip(*Request) (*Response, error) #75772
pkg net/http, method (*ClientConn) SetStateHook(func(*ClientConn)) #75772
pkg net/http, method (*Transport) NewClientConn(context.Context, string, string) (*ClientConn, error) #75772

        int maxMpx = delegatingConfig.getMaxMpxCount();

        // Then
        assertEquals(300L, dfsTtl, "Should delegate DFS TTL");
        assertEquals(30000, responseTimeout, "Should delegate response timeout");
        assertEquals(35000, socketTimeout, "Should delegate socket timeout");
        assertEquals(35000, connTimeout, "Should delegate connection timeout");

* bases de datos NoSQL
* paquetes externos
* APIs externas
* sistemas de autenticación y autorización
* sistemas de monitoreo de uso de la API
* sistemas de inyección de datos de response
* etc.

## Simple y Poderoso { #simple-and-powerful }

Aunque el sistema de inyección de dependencias jerárquico es muy simple de definir y usar, sigue siendo muy poderoso.

		FileCmd:  handler,
		FileList: handler,
	}
}

type forwardForTransport struct {
	tr  http.RoundTripper
	fwd string
}

func (f forwardForTransport) RoundTrip(r *http.Request) (*http.Response, error) {
	r.Header.Set("X-Forwarded-For", f.fwd)
	return f.tr.RoundTrip(r)
}

func (f *sftpDriver) getMinIOClient() (*minio.Client, error) {
	mcreds := credentials.NewStaticV4(

Öffnen Sie Ihren Browser unter <a href="http://127.0.0.1:8000/items/5?q=somequery" class="external-link" target="_blank">http://127.0.0.1:8000/items/5?q=somequery</a>.

Sie sehen die JSON-<abbr title="Response – Antwort: Daten, die der Server zum anfragenden Client zurücksendet">Response</abbr> als:

```JSON
{"item_id": 5, "q": "somequery"}
```

Sie haben bereits eine API erstellt, welche:

            return newKey;
        } finally {
            lock.writeLock().unlock();
        }
    }

    /**
     * Update lease state after receiving response
     *
     * @param key lease key
     * @param grantedState granted lease state
     */
    public void updateLease(Smb2LeaseKey key, int grantedState) {
        LeaseEntry entry = leases.get(key);

            assertArrayEquals(expectedChallenge, result);
            verify(transportPool).getChallenge(context, address, DEFAULT_PORT);
        }

        @Test
        @DisplayName("Should handle null challenge response")
        void testGetChallengeNull() throws CIFSException {
            // Given
            when(transportPool.getChallenge(context, address)).thenReturn(null);

            // When