.setMessage("Malformed POM " + modelSource.getLocation() + ": " + e.getMessage())
                            .setException(e));
                } else {
                    problems.add(new ModelProblemCollectorRequest(Severity.WARNING, Version.V20)
                            .setMessage("Malformed POM " + modelSource.getLocation() + ": " + e.getMessage())
                            .setException(e));

            }
            target.setProperties(merged);
            target.setLocation(
                    "properties",
                    InputLocation.merge(
                            target.getLocation("properties"), source.getLocation("properties"), sourceDominant));
        }

        private void putAll(Map<Object, Object> s, Map<Object, Object> t, Object excludeKey) {
            for (Map.Entry<Object, Object> e : t.entrySet()) {

    }

    @Override
    public String getLocation() {
        return location;
    }

    /**
     * Gets the content of this source.
     *
     * @return The underlying character stream, never {@code null}.
     */
    public String getContent() {
        return content;
    }

    @Override
    public String toString() {
        return getLocation();
    }

    @Override

        assertEquals("", problem.getLocation());

        problem = new DefaultProblem(null, null, "SOURCE", -1, -1, null);
        assertEquals("SOURCE", problem.getLocation());

        problem = new DefaultProblem(null, null, null, 42, -1, null);
        assertEquals("line 42", problem.getLocation());

        problem = new DefaultProblem(null, null, null, -1, 127, null);

        assertNotNull(source);
        assertInstanceOf(Sources.ResolvedPathSource.class, source);
        assertNull(source.getPath());
        assertEquals(path.toString(), source.getLocation());
        assertEquals(modelId, source.getModelId());
    }

    @Test
    void testPathSourceFunctionality() {
        // Test basic source functionality
        Path path = Paths.get("/tmp");

        @Override
        public InputStream getInputStream() throws IOException {
            return source.openStream();
        }

        @Override
        public String getLocation() {
            return source.getLocation();
        }

        @Override
        public ModelSource2 getRelatedSource(String relPath) {
            Source rel = source.resolve(relPath);

    }

    @Test
    void testGetLocation() {
        StringSource source = new StringSource("Hello World!");
        assertEquals("(memory)", source.getLocation());

        source = new StringSource("Hello World!", "LOCATION");
        assertEquals("LOCATION", source.getLocation());
    }

    @Test
    void testGetContent() {
        StringSource source = new StringSource(null);
        assertEquals("", source.getContent());

        if (settingsSource == null) {
            return new Settings();
        }

        problems.setSource(settingsSource.getLocation());

        Settings settings;

        try {
            Map<String, ?> options = Collections.singletonMap(SettingsReader.IS_STRICT, Boolean.TRUE);

            try {

    }

    @Override
    public String getLocation() {
        return url.toString();
    }

    /**
     * Gets the URL of this source.
     *
     * @return The underlying URL, never {@code null}.
     */
    public URL getUrl() {
        return url;
    }

    @Override
    public String toString() {
        return getLocation();
    }

    @Override
    public int hashCode() {

    @Override
    public int getLineNumber() {
        return lineNumber;
    }

    @Override
    public int getColumnNumber() {
        return columnNumber;
    }

    @Override
    public String getLocation() {
        StringBuilder buffer = new StringBuilder(256);

        if (!getSource().isEmpty()) {
            if (!buffer.isEmpty()) {
                buffer.append(", ");
            }