* NullPointerException} or {@link UnsupportedOperationException} whenever null is passed to a
 * parameter whose declaration or type isn't annotated with an annotation with the simple name
 * {@code Nullable}, {@code CheckForNull}, {@code NullableType}, or {@code NullableDecl}.
 *
 * <p>The tested methods and constructors are invoked -- each time with one parameter being null and

    asByteSource(from).copyTo(to);
  }

  /**
   * Returns a {@code URL} pointing to {@code resourceName} if the resource is found using the
   * {@linkplain Thread#getContextClassLoader() context class loader}. In simple environments, the
   * context class loader will find resources from the class path. In environments where different
   * threads can have different class loaders, for example app servers, the context class loader

        return false;
      }

      EndpointPair<?> other = (EndpointPair<?>) obj;
      if (isOrdered() != other.isOrdered()) {
        return false;
      }

      // Equivalent to the following simple implementation:
      // boolean condition1 = nodeU().equals(other.nodeU()) && nodeV().equals(other.nodeV());
      // boolean condition2 = nodeU().equals(other.nodeV()) && nodeV().equals(other.nodeU());

import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.Credentials;

@ExtendWith(MockitoExtension.class)
class CredentialsInternalTest {

    @Mock
    CIFSContext mockContext;

    /**
     * Simple in-test implementation of CredentialsInternal to exercise the API surface.
     * It validates inputs, records calls, and delegates some behavior to collaborators
     * so we can verify interactions.
     */

import com.google.common.annotations.GwtCompatible;
import java.util.Collection;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Creates collections, containing sample elements, to be tested.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@NullMarked
public interface TestCollectionGenerator<E extends @Nullable Object>

...
BUILD SUCCESSFUL in 1m 30s
63 actionable tasks: 61 executed, 2 up-to-date

```

import java.util.ArrayList;
import java.util.List;
import java.util.ListIterator;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * A utility similar to {@link IteratorTester} for testing a {@link ListIterator} against a known
 * good reference implementation. As with {@code IteratorTester}, a concrete subclass must provide

 * under the License.
 */
package org.apache.maven.api;

import org.apache.maven.api.annotations.Nonnull;

/**
 * Represents a repository backed by an IDE workspace, the output of a build session,
 * or similar ad-hoc collections of artifacts. This repository is considered read-only
 * within the context of a session, meaning it can only be used for artifact resolution,

    return Math.sqrt(populationVariance());
  }

  /**
   * Returns the <a href="http://en.wikipedia.org/wiki/Variance#Sample_variance">unbiased sample
   * variance</a> of the values. If this dataset is a sample drawn from a population, this is an
   * unbiased estimator of the population variance of the population. The count must be greater than
   * one.
   *

   * input, even if some are invalid.
   */
  @CanIgnoreReturnValue
  @Override
  Hasher putString(CharSequence charSequence, Charset charset);

  /** A simple convenience for {@code funnel.funnel(object, this)}. */
  @CanIgnoreReturnValue
  <T extends @Nullable Object> Hasher putObject(
      @ParametricNullness T instance, Funnel<? super T> funnel);

  /**