.where(
                new TypeCapture<List<T>>() {}.capture(),
                new TypeCapture<List<? extends String>>() {}.capture())
            .resolveType(t));
    assertEquals(
        Types.supertypeOf(String.class),
        new TypeResolver()
            .where(
                new TypeCapture<List<T>>() {}.capture(),
                new TypeCapture<List<? super String>>() {}.capture())
            .resolveType(t));

            .where(
                new TypeCapture<List<T>>() {}.capture(),
                new TypeCapture<List<? extends String>>() {}.capture())
            .resolveType(t));
    assertEquals(
        Types.supertypeOf(String.class),
        new TypeResolver()
            .where(
                new TypeCapture<List<T>>() {}.capture(),
                new TypeCapture<List<? super String>>() {}.capture())
            .resolveType(t));

        PropertyDoc propertyDocA = propertyDoc('a')
        PropertyDoc propertyDocC = propertyDoc('c')

        ClassDoc superType1 = classDoc("org.gradle.SuperType1")
        ClassDoc superType2 = classDoc("org.gradle.SuperType2")

        def content = parse('''
<section>
    <section><title>Properties</title>
        <table>
            <thead><tr><td>Name</td></tr></thead>

        MethodDoc methodD = methodDoc('d')
        MethodDoc methodE = methodDoc('e')
        ClassDoc superClass = classDoc('org.gradle.SuperClass')
        ClassDoc superType1 = classDoc("org.gradle.SuperType1")
        ClassDoc superType2 = classDoc("org.gradle.SuperType2")

        def content = parse('''
<section>
    <section><title>Methods</title>
        <table>
            <thead><tr><td>Name</td></tr></thead>

        Map<String, PropertyDoc> props = new TreeMap<String, PropertyDoc>();
        List<ClassDoc> superTypes = classDoc.getSuperTypes();
        for (ClassDoc superType : superTypes) {
            LOG.info("Getting properties for {}", superType.getName());
            for (PropertyDoc propertyDoc : superType.getClassProperties()) {

   */
  @CheckForNull
  <T extends @NonNull B> T getInstance(TypeToken<T> type);

  /**
   * Maps the specified class to the specified value. Does <i>not</i> associate this value with any
   * of the class's supertypes.
   *
   * <p>{@code putInstance(Foo.class, foo)} is equivalent to {@code
   * putInstance(TypeToken.of(Foo.class), foo)}.
   *
   * @return the value previously associated with this class (possibly {@code null}), or {@code

   */
  @CheckForNull
  <T extends @NonNull B> T getInstance(TypeToken<T> type);

  /**
   * Maps the specified class to the specified value. Does <i>not</i> associate this value with any
   * of the class's supertypes.
   *
   * <p>{@code putInstance(Foo.class, foo)} is equivalent to {@code
   * putInstance(TypeToken.of(Foo.class), foo)}.
   *
   * @return the value previously associated with this class (possibly {@code null}), or {@code

   */
  @CheckForNull
  <T extends @NonNull B> T getInstance(Class<T> type);

  /**
   * Maps the specified class to the specified value. Does <i>not</i> associate this value with any
   * of the class's supertypes.
   *
   * @return the value previously associated with this class (possibly {@code null}), or {@code
   *     null} if there was no previous entry.
   */
  @CanIgnoreReturnValue
  @CheckForNull

                    signatures.add(method.getOverrideSignature());
                }
            }
        }

        for (ClassDoc supertype : classDoc.getSuperTypes()) {
            for (MethodDoc method: supertype.getClassMethods()){
                if (signatures.add(method.getMetaData().getOverrideSignature())) {
                    classDoc.addClassMethod(method);
                }
            }

        .asList()
        .containsExactly(
            ListenableFuture.class.getMethod("addListener", Runnable.class, Executor.class));
    assertWithMessage(
            "Do not add new supertypes to ListenableFuture. Its API needs to continue to match the"
                + " version we released in a separate artifact com.google.guava:listenablefuture.")
        .that(ListenableFuture.class.getInterfaces())