* The returned list may contain a mix of Java class-path, Java module-path, and other types of path elements.
     *
     * @return the paths of all dependencies
     */
    @Nonnull
    List<Path> getPaths();

    /**
     * Returns the file paths of all dependencies, dispatched according the tool options where to place them.

  public void testAssignableClassToClass() {
    @SuppressWarnings("rawtypes") // To test TypeToken<List>
    TypeToken<List> tokL = new TypeToken<List>() {};
    assertTrue(tokL.isSupertypeOf(List.class));
    assertTrue(tokL.isSupertypeOf(ArrayList.class));
    assertFalse(tokL.isSupertypeOf(List[].class));

    TypeToken<Number> tokN = new TypeToken<Number>() {};
    assertTrue(tokN.isSupertypeOf(Number.class));

                    toRet.add(fact.createToolchain(tm));
                }
            }

            // add default toolchain
            ToolchainPrivate tool = fact.createDefaultToolchain();
            if (tool != null) {
                toRet.add(tool);
            }
        }

        return toRet.toArray(new ToolchainPrivate[0]);
    }

    @Override

    String id();

    /**
     * Returns the name of the tool option for this path. For example, if this path type
     * is {@link JavaPathType#MODULES}, then this method returns {@code "--module-path"}.
     * The option does not include the {@linkplain JavaPathType.Modular#moduleName() module name}
     * on which it applies.
     *
     * @return the name of the tool option for this path type
     */
    @Nonnull

    return suite;
  }

  Set<String> friends;
  Set<String> enemies;

  @Override
  public void setUp() {
    friends = Sets.newHashSet("Tom", "Joe", "Dave");
    enemies = Sets.newHashSet("Dick", "Harry", "Tom");
  }

  public void testUnion() {
    Set<String> all = Sets.union(friends, enemies);
    assertEquals(5, all.size());

    assertThat(m.keySet()).containsExactly("boy", "girl", "cat", "dog").inOrder();
    assertThat(m)
        .isEqualTo(ImmutableMap.of("boy", "tom", "girl", "tina", "cat", "kitty", "dog", "tommy"));

    // try in a different order
    m = COMMA_SPLITTER.withKeyValueSeparator(":").split("girl:tina,boy:tom,dog:tommy,cat:kitty");

    /**
     * The ordered list of the flattened dependency nodes.
     */
    private final List<Node> nodes;

    /**
     * The file paths of all dependencies, regardless on which Java tool option those paths should be placed.
     */
    private final List<Path> paths;

    /**
     * The file paths of all dependencies, dispatched according the Java options where to place them.
     */

public interface DependencyResolverRequest extends DependencyCollectorRequest {

    @Nonnull
    PathScope getPathScope();

    /**
     * Returns a filter for the types of path (class-path, module-path, …) accepted by the tool.
     * For example, if a Java tools accepts only class-path elements, then the filter should return
     * {@code true} for {@link JavaPathType#CLASSES} and {@code false} for {@link JavaPathType#MODULES}.

    /**
     * The ordered list of the flattened dependency nodes.
     */
    private final List<Node> nodes;

    /**
     * The file paths of all dependencies, regardless on which Java tool option those paths should be placed.
     */
    private final List<Path> paths;

    /**
     * The file paths of all dependencies, dispatched according the Java options where to place them.
     */