* This map is usually either empty if no module was found, or a singleton map.
     * It may however contain more than one entry if module hierarchy was detected,
     * in which case there is one key per sub-directory.
     *
     * <p>This map may contain null values if the constructor was invoked with {@code resolve}
     * parameter set to false. This is more efficient when only the module existence needs to

  + 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.

        String config = pluginExecution.getConfiguration().toString();
        assertTrue(
                config.contains(expectedConfig),
                "Wrong config for \"" + artifactId + "\": (" + config + ") does not contain :" + expectedConfig);
    }

    private boolean isActiveProfile(MavenProject project, Profile activeProfile) {
        return project.getActiveProfiles().stream().anyMatch(p -> p.getId().equals(activeProfile.getId()));

              {@code war},
              {@code ear},
              {@code pom}.
            Plugins can create their own packaging, and
            therefore their own packaging types,
            so this list does not contain all possible types.
          </description>
          <type>String</type>
          <defaultValue>jar</defaultValue>
        </field>

    @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() {

        assertContains(problems.messages.get(2), "'mirrors.mirror.mirrorOf' for local is missing");
        assertContains(problems.messages.get(3), "'mirrors.mirror.id' must not contain any of these characters");
    }

    @Test
    void testValidateRepository() throws Exception {
        Profile profile = new Profile();
        Repository repo = new Repository();
        repo.setId("local");

         * extension should be file and URL path friendly, and may differ from algorithm name.
         * The checksum extension SHOULD NOT contain dot (".") character.
         * Example: "sha1".
         */
        @Nonnull
        String getFileExtension();

        /**

        assertTrue(!clonedMap.isEmpty(), "ManagedVersionMap is empty");
        assertTrue(clonedMap.containsKey("maven-test:maven-test-b:jar"), "ManagedVersionMap does not contain test key");
    }

    @Test
    void testGetModulePathAdjustment() throws IOException {
        Model moduleModel = new Model();

        MavenProject module = new MavenProject(moduleModel);

        Map artifactMap = project.getArtifactMap();

        assertNotNull( artifactMap, "artifact-map should not be null." );
        assertEquals( 1, artifactMap.size(), "artifact-map should contain 1 element." );

        Artifact artifact = (Artifact) artifactMap.get( key );

        assertNotNull( artifact, "dependency artifact not found in map." );

                        .orElse(null);
                if (cycle != null) {
                    throw new RuntimeException(new ProjectCycleException(
                            "The projects in the reactor contain a cyclic reference: " + cycle.getMessage(),
                            (CycleDetectedException) cycle.getException()));
                }
                throw new ProjectBuildingException(results);
            }