public void testHashCode() {
    int expectedHashCode = 0;
    for (Entry<K, V> entry : getSampleEntries()) {
      expectedHashCode += hash(entry);
    }
    assertEquals(
        "A Map's hashCode() should be the sum of those of its entries.",
        expectedHashCode,
        getMap().hashCode());
  }

  @CollectionSize.Require(absent = CollectionSize.ZERO)
  @MapFeature.Require(ALLOWS_NULL_KEYS)

![Grafana](https://raw.githubusercontent.com/minio/minio/master/docs/metrics/prometheus/grafana/node/grafana-node.png)

            });
        }
        return itemList;
    }

    /**
     * Checks if a property value should be masked for security reasons.
     *
     * @param key the property key to check
     * @return true if the value should be masked, false otherwise
     */
    protected static boolean isMaskedValue(final String key) {
        return "http.proxy.password".equals(key) //

            // this is not too good, probably should better pass the address and check that it is a netbios one.
            // While we could look up the domain controller/KDC we cannot really make the java kerberos implementation
            // use a KDC of our choice.
            // A potential workaround would be to try to get the server FQDN by reverse lookup, but this might have

        assertEquals(2, result1); // executor + newKey

        // Execute second time - params should be fresh
        Object result2 = scriptExecutor.execute("modifyEngine", "script2");
        assertEquals(2, result2); // Should still be 2, not accumulating
    }

    public void test_shutdown_withListener() {
        // Add shutdown listener

    @Test
    void testGetUrlHandler() {
        // Test getUrlHandler() method
        // First call should create a new Handler
        URLStreamHandler handler1 = cifsContextWrapper.getUrlHandler();
        assertNotNull(handler1);
        assertTrue(handler1 instanceof Handler);

        // Second call should return the same instance
        URLStreamHandler handler2 = cifsContextWrapper.getUrlHandler();

        byte[] buffer = new byte[100];

        // Should work with zero length
        int result = emptyBufferResponse.readDataWireFormat(buffer, 0, 0);
        assertEquals(0, result);

        // Should throw exception with non-zero length
        assertThrows(SMBProtocolDecodingException.class, () -> emptyBufferResponse.readDataWireFormat(buffer, 0, 1));

     * @return the ordered list of the flattened dependency nodes
     */
    @Nonnull
    List<Node> getNodes();

    /**
     * Returns the file paths of all dependencies, regardless of which tool option those paths should be placed on.
     * The returned list may contain a mix of Java class path, Java module path, and other types of path elements.

	DB.Migrator().DropTable(adaptorSerializerModel(&SerializerStruct{}))
	if err := DB.Migrator().AutoMigrate(adaptorSerializerModel(&SerializerStruct{})); err != nil {
		t.Fatalf("no error should happen when migrate scanner, valuer struct, got error %v", err)
	}

	createdAt := time.Date(2020, 1, 1, 0, 0, 0, 0, time.UTC)
	updatedAt := createdAt.Unix()

	data := SerializerStruct{

# Advanced User Guide { #advanced-user-guide }

## Additional Features { #additional-features }

The main [Tutorial - User Guide](../tutorial/index.md){.internal-link target=_blank} should be enough to give you a tour through all the main features of **FastAPI**.

In the next sections you will see other options, configurations, and additional features.

/// tip

The next sections are **not necessarily "advanced"**.