+ Check for unnecessary whitespace with `git diff --check` before committing.
+ Make sure your commit messages are in the proper format. Your commit message should contain the key of the JIRA issue.
```
[MNG-XXX] - Subject of the JIRA Ticket
 Optional supplemental description.
```
+ Make sure you have added the necessary tests (JUnit/[Core IT tests][core-it]) for your changes.

                            }
                        } finally {
                            // in ITs test we need only reports from test itself
                            // test projects can contain reports with tested failed builds
                            junit testResults: '**/core-it-suite/target/surefire-reports/*.xml,**/core-it-support/**/target/surefire-reports/*.xml', allowEmptyResults: true

 Use the JDK 1.3 JAR Services Discovery mechanism (see http://java.sun.com/j2se/1.3/docs/guide/jar/jar.html for more information) to look for a resource named META-INF/services/org.apache.commons.logging.LogFactory whose first line is assumed to contain the desired class name. Look for a properties file named commons-logging.properties visible in the application class path, with a property named org.apache.commons.logging.LogFactory defining the desired implementation class name. Fall back to a default...

                }
            }

            Severity errOn30 = getSeverity(request, ModelBuildingRequest.VALIDATION_LEVEL_MAVEN_3_0);

            // The file pom may not contain the modelVersion yet, as it may be set later by the
            // ModelVersionXMLFilter.
            if (m.getModelVersion() != null && !m.getModelVersion().isEmpty()) {

    3.5. Distribution of Executable Versions.

    You may distribute the Executable form of the Covered Software under
    the terms of this License or under the terms of a license of Your
    choice, which may contain terms different from this License,
    provided that You are in compliance with the terms of this License
    and that the license for the Executable form does not attempt to

    @Override
    public List<String> getModelIds() {
        return modelIds;
    }

    public DefaultModelBuilderResult addModelId(String modelId) {
        // Intentionally notNull because Super POM may not contain a modelId
        Objects.requireNonNull(modelId, "modelId cannot be null");

        modelIds.add(modelId);

        return this;
    }

    @Override
    public Model getRawModel() {

import org.eclipse.aether.repository.RemoteRepository;

/**
 * Caches raw plugin descriptors. A raw plugin descriptor is a descriptor that has just been extracted from the plugin
 * artifact and does not contain any runtime specific data. The cache must not be used for descriptors that hold runtime
 * data like the plugin realm. <strong>Warning:</strong> This is an internal utility interface that is only public for

        }

        if (isIgnoredProperty(strValue)) {
            return false;
        }

        // for declaration like @Parameter( property = "config.property" )
        // the value will contain ${config.property}

        try {
            return expressionEvaluator.evaluate(strValue) != null;
        } catch (ExpressionEvaluationException e) {
            // not important

     * Returns the file paths of all dependencies, regardless on which tool option those paths should be placed.
     * The returned list may contain a mix of Java class-path, Java module-path, and other types of path elements.
     * This collection has the same content than {@code getDependencies.values()} except that it does not contain
     * null elements.
     *
     * @return the paths of all dependencies
     */
    @Nonnull
    List<Path> getPaths();

                hasErrors = true;
            }
        }
        return new Result<>(hasErrors, (Iterable<T>) modelsList, problemsList);
    }

    // helper to determine if problems contain error
    private static boolean hasErrors(Iterable<? extends ModelProblem> problems) {
        for (ModelProblem input : problems) {
            if (input.getSeverity().equals(ERROR) || input.getSeverity().equals(FATAL)) {