* @return the hint about the source of the problem or an empty string if unknown, never {@code null}
     */
    @Nonnull
    String getSource();

    /**
     * Gets the one-based index of the line containing the problem. The line number should refer to some text file that
     * is given by {@link #getSource()}.
     *
     * @return the one-based index of the line containing the problem or a non-positive value if unknown
     */

        assertThrows(
            ConflictingRequirementsException.class, () -> buildTesterRequirements(Tester.class));
    assertThat(e.getConflicts()).containsExactly(FOO);
    assertThat(e.getSource()).isEqualTo(Tester.class.getAnnotation(Require.class));
  }

  public void testBuildTesterRequirements_classClassConflict_inherited() {
    @Require(FOO)
    abstract class BaseTester {}
    @Require(absent = FOO)

        this.lineNumber = location.getLineNumber();
        this.columnNumber = location.getColumnNumber();
        this.source = location.getSource() != null ? new InputSource(location.getSource()) : null;
        this.locations = location.getLocations().isEmpty()
                ? null
                : location.getLocations().entrySet().stream()

                    activeProfiles.add(profile);

                    if (Profile.SOURCE_POM.equals(profile.getSource())) {
                        activatedPomProfileNotByDefault = true;
                    }
                } else if (isActiveByDefault(profile)) {
                    if (Profile.SOURCE_POM.equals(profile.getSource())) {
                        activePomProfilesByDefault.add(profile);
                    } else {

// following test. Adding new code before this test or changing its
// position will cause the line number to change and the test to FAIL
// Tests getSource().
func TestGetSource(t *testing.T) {
	currentSource := func() string { return getSource(2) }
	gotSource := currentSource()
	// Hard coded line number, 34, in the "expectedSource" value
	expectedSource := "[namespace-lock_test.go:34:TestGetSource()]"

            return read(in, isStrict(options), getSource(options));
        }
    }

    @Override
    public Model read(InputStream input, Map<String, ?> options) throws IOException {
        Objects.requireNonNull(input, "input cannot be null");

        try (XmlStreamReader in = ReaderFactory.newXmlReader(input)) {
            return read(in, isStrict(options), getSource(options));
        }
    }

    @OutputFile
    abstract RegularFileProperty getDestinationFile();

    /**
     * {@inheritDoc}
     */
    @Override
    @PathSensitive(PathSensitivity.NAME_ONLY)
    FileTree getSource() {
        return super.getSource();
    }

    @TaskAction
    def extract() {
        Date start = new Date()

        //parsing all input files into metadata
        //and placing them in the repository object

                    buffer.append(problem.getMessage());

                    String location = "";
                    if (!problem.getSource().trim().isEmpty()) {
                        location = problem.getSource();
                    }
                    if (problem.getLineNumber() > 0) {
                        if (!location.isEmpty()) {
                            location += ", ";

            build.setTestSourceDirectory(alignToBaseDirectory(build.getTestSourceDirectory(), basedir));

            for (Resource resource : build.getResources()) {
                resource.setDirectory(alignToBaseDirectory(resource.getDirectory(), basedir));
            }

            for (Resource resource : build.getTestResources()) {

            assertNotNull(
                    location.getSource(), "Profile location source should not be null for profile: " + profile.getId());
            assertTrue(
                    location.getSource().getLocation().contains("pom-with-profiles/pom.xml"),
                    "Profile location should contain 'pom-with-profiles/pom.xml', but was: "
                            + location.getSource().getLocation() + " for profile: " + profile.getId());