return nil
	}

	// Report differences in environment variables.
	var missing []string
	var mismatching []string
	for k, v := range s1.MinioEnv {
		ev, ok := s2.MinioEnv[k]
		if !ok {
			missing = append(missing, k)
		} else if v != ev {
			mismatching = append(mismatching, k)
		}
	}
	var extra []string
	for k := range s2.MinioEnv {
		_, ok := s1.MinioEnv[k]
		if !ok {

			src:        mustReader(t, bytes.NewReader([]byte("abcd")), 4, "", "", 4),
			size:       4,
			actualSize: 4,
			success:    true,
		},
		{
			desc:       "Mismatching sha256",
			src:        mustReader(t, bytes.NewReader([]byte("abcd")), 4, "", "88d4266fd4e6338d13b845fcf289579d209c897823b9217da3e161936f031589", 4),
			size:       4,
			actualSize: 4,

	// TODO(quasilyte): improve error message (#21860).
	V4FMADDPS (AX), [Z4-Z0], K1, Z7  // ERROR "invalid instruction"
	V4FMADDPS (AX), [Z1-Z0], K1, Z7  // ERROR "invalid instruction"
	// Mismatching registers in a range.
	// TODO(quasilyte): improve error message (#21860).
	V4FMADDPS (AX), [AX-Z3], K1, Z7  // ERROR "invalid instruction"
	V4FMADDPS (AX), [Z0-AX], K1, Z7  // ERROR "invalid instruction"

			}
			contentLength = rec.Header().Get("Content-Length")
		}

		if contentLength != fmt.Sprintf("%d", objectLength(input)) {
			t.Errorf("Test %d: Content length is mismatching: got %s (expected: %d)", i+1, contentLength, objectLength(input))
		}
	}
}

// Wrapper for calling GetObject API handler tests for both Erasure multiple disks and FS single drive setup.

            return new ArrayDeque<>();
          }
        };

    /** Per-thread dispatch state, used to avoid reentrant event dispatching. */
    @SuppressWarnings("ThreadLocalUsage") // Each Dispatcher needs its own state.
    private final ThreadLocal<Boolean> dispatching =
        new ThreadLocal<Boolean>() {
          @Override
          protected Boolean initialValue() {
            return false;
          }

import java.lang.reflect.Method;
import java.util.concurrent.Executor;
import org.jspecify.annotations.Nullable;

/**
 * A subscriber method on a specific object, plus the executor that should be used for dispatching
 * events to it.
 *
 * <p>Two subscribers are equivalent when they refer to the same method on the same object (not
 * class). This property is used to ensure that no subscriber method is registered more than once.
 *

     *            The object on which the underlying method is to be called. {@literal null} for {@literal static} methods
     * @param args
     *            The arguments used for the method call
     * @return The result of dispatching the method to the object using the parameters {@code args}
     * @throws IllegalAccessRuntimeException
     *             If this {@link Method} object enforces Java language access control and the underlying method is not accessible

 *
 * <p>Listeners are registered once via {@link #addListener} and then may be invoked by {@linkplain
 * #enqueue enqueueing} and then {@linkplain #dispatch dispatching} events.
 *
 * <p>The API of this class is designed to make it easy to achieve the following properties
 *
 * <ul>
 *   <li>Multiple events for the same listener are never dispatched concurrently.

 *
 * <p>Listeners are registered once via {@link #addListener} and then may be invoked by {@linkplain
 * #enqueue enqueueing} and then {@linkplain #dispatch dispatching} events.
 *
 * <p>The API of this class is designed to make it easy to achieve the following properties
 *
 * <ul>
 *   <li>Multiple events for the same listener are never dispatched concurrently.

h3. Execution of the plugin