} else {
			if o.pool < len(z.serverPools) && o.set < len(z.serverPools[o.pool].sets) {
				o.debugln("Resuming", o)
				entries, err = z.serverPools[o.pool].sets[o.set].streamMetadataParts(ctx, *o)
				entries.reuse = true // We read from stream and are not sharing results.
				if err == nil {
					return entries, nil
				}
			} else {
				err = fmt.Errorf("invalid pool/set")
				o.pool, o.set = 0, 0
			}
		}

**FastAPI** knows what to do in each case and how to reuse the same object, so that all the background tasks are merged together and are run in the background afterwards:


{* ../../docs_src/background_tasks/tutorial002_an_py310.py hl[13,15,22,25] *}

        assertEquals(path, entry.getPath());
        assertEquals(1, entry.getEpoch());
        assertFalse(entry.isBreaking());
    }

    @Test
    @DisplayName("Should reuse existing lease for same path")
    void testReuseExistingLease() {
        String path = "/share/file.txt";
        int requestedState = Smb2LeaseState.SMB2_LEASE_READ_WRITE;

    // Check that a fresh connection was created, either immediately or after attempting reuse.
    // We know that a fresh connection was created if the server recorded a request with sequence
    // number 0. Since the client may have attempted to reuse the broken connection just before
    // creating a fresh connection, the server may have recorded 2 requests at this point. The order

        return new LinkMetaData(methodMetaData.style, displayName, urlFragment);
    }

    private MethodLinkMetaData findMethod(String method) {
        if (method.endsWith("...)")) {
            // Should reuse the link parsing stuff from JavadocLinkConverter instead
            method = method.substring(0, method.length() - 4) + "[])";
        }

        MethodLinkMetaData metaData = methods.get(method);

	shardSize  int64
	hashBytes  []byte
}

func (b *streamingBitrotReader) Close() error {
	if b.rc == nil {
		return nil
	}
	if closer, ok := b.rc.(io.Closer); ok {
		// drain the body for connection reuse at network layer.
		xhttp.DrainBody(io.NopCloser(b.rc))
		return closer.Close()
	}
	return nil
}

func (b *streamingBitrotReader) ReadAt(buf []byte, offset int64) (int, error) {
	var err error

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.CIFSException;

/**
 * JAAS kerberos authenticator
 *
 * Either configure JAAS for credential caching or reuse a single instance of this authenticator -otherwise you won't
 * get proper ticket caching.
 *
 * Be advised that short/NetBIOS name usage is not supported with this authenticator. Always specify full FQDNs/Realm.

        // Get a region and release it
        RdmaMemoryRegion region1 = bufferManager.getSendRegion(1024);
        bufferManager.releaseSendRegion(region1);

        // Get another region - should potentially reuse from pool
        RdmaMemoryRegion region2 = bufferManager.getSendRegion(1024);
        assertNotNull(region2);

        // Both regions should be valid

    }

    @Test
    void testResetAndReuse() {
        // Test that HMACT64 can be reset and reused
        HMACT64 hmac = new HMACT64(TEST_KEY);

        // First use
        hmac.engineUpdate(TEST_DATA, 0, TEST_DATA.length);
        byte[] result1 = hmac.engineDigest();

        // Reset and reuse with same data
        hmac.engineReset();
        hmac.engineUpdate(TEST_DATA, 0, TEST_DATA.length);

```Python
{
    "old key": "old value",
    "second old key": "second old value",
    "new key": "new value",
}
```

You can use that technique to reuse some predefined responses in your *path operations* and combine them with additional custom ones.

For example:

{* ../../docs_src/additional_responses/tutorial004_py310.py hl[11:15,24] *}