public InputLocation(org.apache.maven.api.model.InputLocation location) {
        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()

     * This method is the converse of {@link #location()}.
     *
     * @param location identification of a path in the {@code javax.tool} API
     * @return Java path type associated to the given location
     */
    public static Optional<JavaPathType> valueOf(JavaFileManager.Location location) {
        for (JavaPathType type : JavaPathType.values()) {
            if (location.equals(type.location)) {

		internalLogOnceIf(GlobalContext, err, "location-constraint-xml-parsing")
		// Treat all other failures as XML parsing errors.
		return "", ErrMalformedXML
	} // else for both err as nil or io.EOF
	location = locationConstraint.Location
	if location == "" {
		location = globalSite.Region()
	}
	if !isValidLocation(location) {
		return location, ErrInvalidRegion
	}

	return location, ErrNone
}

    ImmutableSet<LocationInfo> locations = locationsFrom(classloader);

    // Add all locations to the scanned set so that in a classpath [jar1, jar2], where jar1 has a
    // manifest with Class-Path pointing to jar2, we won't scan jar2 twice.
    Set<File> scanned = new HashSet<>();
    for (LocationInfo location : locations) {
      scanned.add(location.file());
    }

    // Scan all locations

      MockResponse.Builder()
        .code(HttpURLConnection.HTTP_MOVED_TEMP)
        .setHeader("Location", "/b")
        .headersDelay(100, TimeUnit.MILLISECONDS)
        .build(),
    )
    server.enqueue(
      MockResponse.Builder()
        .code(HttpURLConnection.HTTP_MOVED_TEMP)
        .setHeader("Location", "/c")
        .headersDelay(100, TimeUnit.MILLISECONDS)
        .build(),
    )
    server.enqueue(

        if (Files.exists(location)) {
            load(location);
        }
    }

    public MavenProperties(boolean substitute) {
        this.substitute = substitute;
    }

    public MavenProperties(Path location, boolean substitute) {
        this.location = location;
        this.substitute = substitute;
    }

    public void load(Path location) throws IOException {

    ImmutableSet<ClassPath.LocationInfo> locations =
        ClassPath.locationsFrom(getClass().getClassLoader());
    assertThat(locations).isNotEmpty();
    for (ClassPath.LocationInfo location : locations) {
      ImmutableSet<ResourceInfo> resources = location.scanResources();
      assertThat(location.scanResources()).containsExactlyElementsIn(resources);
    }
  }

    ImmutableSet<ClassPath.LocationInfo> locations =
        ClassPath.locationsFrom(getClass().getClassLoader());
    assertThat(locations).isNotEmpty();
    for (ClassPath.LocationInfo location : locations) {
      ImmutableSet<ResourceInfo> resources = location.scanResources();
      assertThat(location.scanResources()).containsExactlyElementsIn(resources);
    }
  }

            indent += "  ";

            InputLocation location = plugin.getLocation("");
            if (location != null && location.getSource() != null) {
                trackingData.add(indent + location.getSource().getModelId() + " (implicit)");
                indent += "  ";
            }
        } else if (collectStepTrace != null) {

        assertNotNull(result.getProblems());
        assertEquals(0, result.getProblems().size());
    }

    @Test
    void testStrictToolchainsParseException() throws Exception {
        Location loc = mock(Location.class);
        when(loc.getLineNumber()).thenReturn(4);
        when(loc.getColumnNumber()).thenReturn(2);
        XMLStreamException parseException = new XMLStreamException("MESSAGE", loc);