assertEquals(p.getActivation().getPackaging(), clone.getActivation().getPackaging());
        assertEquals(p.getProperties(), clone.getProperties());
        assertEquals(p.getRepositories().size(), clone.getRepositories().size());
        // TODO deep compare the lists
        assertEquals(
                p.getPluginRepositories().size(), clone.getPluginRepositories().size());

        MavenProject clonedProject = projectToClone.clone();
        assertEquals(projectToClone.getFile(), clonedProject.getFile(), "POM file is preserved across clone");
        assertEquals(
                projectToClone.getBasedir(), clonedProject.getBasedir(), "Base directory is preserved across clone");
    }

    @Test
    void testUndefinedOutputDirectory() throws Exception {

# https://squidfunk.github.io/mkdocs-material/
# It requires python3 to run.

set -ex

REPO="******@****.***:square/okhttp.git"
DIR=temp-clone

# Delete any existing temporary website clone
rm -rf $DIR

# Clone the current repo into temp folder
git clone $REPO $DIR
# Replace `git clone` with these lines to hack on the website locally
# cp -a . "../okhttp-website"
# mv "../okhttp-website" "$DIR"

		}
	}

	return targetIDs
}

// Clone - returns copy of this rules.
func (rules Rules) Clone() Rules {
	rulesCopy := make(Rules)

	for pattern, targetIDSet := range rules {
		rulesCopy[pattern] = targetIDSet.Clone()
	}

	return rulesCopy
}

// Union - returns union with given rules as new rules.
func (rules Rules) Union(rules2 Rules) Rules {
	nrules := rules.Clone()

	for pattern, targetIDSet := range rules2 {

        // Cast and check we can call clone() from CredentialsInternal contract
        CredentialsInternal ci = (CredentialsInternal) impl;
        CredentialsInternal cloned = ci.clone();
        assertNotNull(cloned, "clone() should return a non-null CredentialsInternal");
    }

    }

    // -----------/
    // - Methods -/
    // -----------/

    /**
     * Method clone.
     *
     * @return InputSource
     */
    public InputSource clone() {
        try {
            InputSource copy = (InputSource) super.clone();

            return copy;
        } catch (Exception ex) {
            throw (RuntimeException)

        clone.setResolved(artifact.isResolved());
        clone.setFile(artifact.getFile());

        clone.setAvailableVersions(copyList(artifact.getAvailableVersions()));
        if (artifact.getVersion() != null) {
            clone.setBaseVersion(artifact.getBaseVersion());
        }
        clone.setDependencyFilter(artifact.getDependencyFilter());

    /**
     * Clones this resolver for usage in a forked resolution process. In general, implementors need not provide a deep
     * clone. The only requirement is that invocations of {@link #addRepository(Repository)} on the clone do not affect
     * the state of the original resolver and vice versa.
     *
     * @return The cloned resolver, never {@code null}.
     */
    ModelResolver newCopy();

			s := new(Statement)
			for w := 0; w < whereCount; w++ {
				s = s.clone()
				s.AddClause(clause.Where{
					Exprs: s.BuildCondition(fmt.Sprintf("where%d", w)),
				})
			}

			s1 := s.clone()
			s1.AddClause(clause.Where{
				Exprs: s.BuildCondition("FINAL1"),
			})
			s2 := s.clone()
			s2.AddClause(clause.Where{
				Exprs: s.BuildCondition("FINAL2"),
			})

package event

import "maps"

// TargetIDSet - Set representation of TargetIDs.
type TargetIDSet map[TargetID]struct{}

// Clone - returns copy of this set.
func (set TargetIDSet) Clone() TargetIDSet {
	setCopy := NewTargetIDSet()
	maps.Copy(setCopy, set)
	return setCopy
}

// add - adds TargetID to the set.
func (set TargetIDSet) add(targetID TargetID) {