* href="http://en.wikipedia.org/wiki/Memoization">memoization</a>
   *
   * <p>The returned supplier is thread-safe. The delegate's {@code get()} method will be invoked at
   * most once unless the underlying {@code get()} throws an exception. The supplier's serialized
   * form does not contain the cached value, which will be recalculated when {@code get()} is called

        Object result = createInfoMethod.invoke(response);
        assertNotNull(result);
        assertTrue(result instanceof SmbInfoAllocation);

        // Test FS_SIZE_INFO
        response = new Trans2QueryFSInformationResponse(config, FileSystemInformation.FS_SIZE_INFO);
        result = createInfoMethod.invoke(response);
        assertNotNull(result);

                    Method updateMethod = findMethod(transport.getClass(), "updatePreauthHash", byte[].class);
                    updateMethod.setAccessible(true);
                    updateMethod.invoke(transport, testData);
                } catch (Exception e) {
                    fail("Thread failed: " + e.getMessage());
                } finally {
                    doneLatch.countDown();
                }

 *
 * <p><b>{@code default} method warning:</b> This class does <i>not</i> forward calls to {@code
 * default} methods. Instead, it inherits their default implementations. When those implementations
 * invoke methods, they invoke methods on the {@code ForwardingBlockingDeque}.
 *
 * <p>The {@code standard} methods are not guaranteed to be thread-safe, even when all of the
 * methods that they depend on are thread-safe.
 *

 *
 * <p><b>{@code default} method warning:</b> This class does <i>not</i> forward calls to {@code
 * default} methods. Instead, it inherits their default implementations. When those implementations
 * invoke methods, they invoke methods on the {@code ForwardingSetMultimap}.
 *
 * @author Kurt Alfred Kluever
 * @since 3.0
 */
@GwtCompatible

 * methods were introduced</a>. For newer methods, like {@code forEachRemaining}, it inherits their
 * default implementations. When those implementations invoke methods, they invoke methods on the
 * {@code ForwardingIterator}.
 *
 * @author Kevin Bourrillion
 * @since 2.0
 */
@GwtCompatible
public abstract class ForwardingIterator<T extends @Nullable Object> extends ForwardingObject

👉 💼, ⚫️ `str`:

```Python
"{$callback_url}/invoices/{$request.body.id}"
```

, 🚥 👆 🛠️ 👩‍💻 (🔢 👩‍💻) 📨 📨 *👆 🛠️* :

```
https://yourapi.com/invoices/?callback_url=https://www.external.org/events
```

⏮️ 🎻 💪:

```JSON
{
    "id": "2expen51ve",
    "customer": "Mr. Richie Rich",

import com.google.j2objc.annotations.J2ObjCIncompatible;
import com.google.j2objc.annotations.ReflectionSupport;
import com.google.j2objc.annotations.RetainedLocalRef;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.VarHandle;
import java.lang.reflect.Field;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import java.util.Locale;

        String result1 = (String) method.invoke(crawler, dataMap, "key1", "default");
        assertEquals("value1", result1);

        // Test with empty value
        String result2 = (String) method.invoke(crawler, dataMap, "key2", "default");
        assertEquals("default", result2);

        // Test with null value
        String result3 = (String) method.invoke(crawler, dataMap, "key3", "default");

            assertNull(getIdMethod.invoke(crawlingConfigHelper, (String) null));
            assertNull(getIdMethod.invoke(crawlingConfigHelper, ""));
            assertNull(getIdMethod.invoke(crawlingConfigHelper, "W"));
            assertEquals("123", getIdMethod.invoke(crawlingConfigHelper, "W123"));
            assertEquals("abc", getIdMethod.invoke(crawlingConfigHelper, "Fabc"));