qualifier = version;
                majorVersion = null;
                minorVersion = null;
                incrementalVersion = null;
                buildNumber = null;
            }
        }
    }

    private static boolean isDigits(String cs) {
        if (cs == null || cs.isEmpty()) {
            return false;
        }
        final int sz = cs.length();

                "Constructor com.example.Source(java.util.List): Parameter 0 from null accepting to non-null accepting breaking change."
            )
            assertHasNoWarning()
            assertHasNoInformation()
        }
    }

    @Test
    fun `from null array returning to non-null returning is not breaking`() {

        localRepositoryPath = (localRepository != null) ? new File(localRepository) : null;

        return this;
    }

    @Override
    public MavenExecutionRequest setSystemProperties(Properties properties) {
        if (properties != null) {
            this.systemProperties = SystemProperties.copyProperties(properties);
        } else {
            this.systemProperties = null;
        }

        return this;

        ElevateWordToLabelCQ cq = new ElevateWordToLabelCQ();
        if (queryLambda != null) {
            queryLambda.callback(cq);
        }
        FilterAggregationBuilder builder = regFilterA(name, cq.getQuery());
        if (opLambda != null) {
            opLambda.callback(builder);
        }
        if (aggsLambda != null) {
            ElevateWordToLabelCA ca = new ElevateWordToLabelCA();

        if (_conditionQuery != null) {
            QueryBuilder queryBuilder = _conditionQuery.getQuery();
            if (queryBuilder != null) {
                builder.setQuery(queryBuilder);
            }
            _conditionQuery.getFieldSortBuilderList().forEach(sort -> {
                builder.addSort(sort);
            });
        }

        if (_conditionAggregation != null) {

        if (_conditionQuery != null) {
            QueryBuilder queryBuilder = _conditionQuery.getQuery();
            if (queryBuilder != null) {
                builder.setQuery(queryBuilder);
            }
            _conditionQuery.getFieldSortBuilderList().forEach(sort -> {
                builder.addSort(sort);
            });
        }

        if (_conditionAggregation != null) {

        Collection<String> repoIds = new HashSet<>();

        if (dominantRepositories != null) {
            for (ArtifactRepository repository : dominantRepositories) {
                repoIds.add(repository.getId());
                artifactRepositories.add(repository);
            }
        }

        if (recessiveRepositories != null) {
            for (ArtifactRepository repository : recessiveRepositories) {

     * @param userAgent The user agent string to look up in the directives
     * @return The Directive object matching the user agent, or null if no matching directive is found or if userAgent is null
     */
    public Directive getDirective(final String userAgent) {
        if (userAgent == null) {
            return null;
        }
        for (final Directive directive : directiveMap.values()) {

                    if (cresp != null && cresp.isReceived()) {
                        return (T) cresp;
                    }
                    if (chain != null) {
                        return this.transport.send(chain, null, params);
                    }
                    return null;
                }
            }
        }

     *
     * @param project The project to try to resolve the artifact from, must not be <code>null</code>.
     * @param requestedArtifact The artifact to resolve, must not be <code>null</code>.
     * @return The matching artifact from the project or <code>null</code> if not found. Note that this
     */
    private Artifact findMatchingArtifact(MavenProject project, Artifact requestedArtifact) {