from fastapi import Body
    from pydantic import Discriminator, Tag

    class Cat(BaseModel):
        pet_type: str = "cat"
        meows: int

    class Dog(BaseModel):
        pet_type: str = "dog"
        barks: float

    def get_pet_type(v):
        assert isinstance(v, dict)
        return v.get("pet_type", "")

    Pet = Annotated[
        Union[Annotated[Cat, Tag("cat")], Annotated[Dog, Tag("dog")]],

    @Override
    public String toString() {
        return "PathType[" + id() + ']';
    }

    /**
     * Type of path which is applied to only one specific Java module.
     * The main case is the Java {@code --patch-module} option.
     *
     * @see #PATCH_MODULE
     * @see #patchModule(String)
     */
    public final class Modular implements PathType {
        /**

                    return null;
                }
            }
            for (JApiCompatibilityChange change : member.getCompatibilityChanges()) {
                if (IGNORED_CHANGE_TYPES.contains(change.getType())) {
                    return null;
                }
            }
            if (member instanceof JApiHasAnnotations) {
                if (isIncubating((JApiHasAnnotations) member)) {

                + dependency.getType().id() + ":" + dependency.getClassifier();
    }

    private static String getDependencyKey(Dependency dependency) {
        return dependency.getGroupId() + ":" + dependency.getArtifactId() + ":"
                + (dependency.getType() != null ? dependency.getType() : "jar") + ":"

    }

    /**
     * Gets the account ID from a SID.
     * @param sid The SID.
     * @return The account ID.
     */
    public String getAccountId(final SID sid) {
        final int type = sid.getType();
        if (logger.isDebugEnabled()) {
            try {
                logger.debug("Processing SID: {} {} {}", type, sid, sid.toDisplayString());
            } catch (final Exception e) {
                // ignore

  private static Type getSupertype(Type type, Class<?> superclass) {
    Class rawType = superclass;
    return TypeToken.of(type).getSupertype(rawType).getType();
  }

  private static Type getSubtype(Type type, Class<?> subclass) {
    return TypeToken.of(type).getSubtype(subclass).getType();
  }

        }
        try (FileReader reader = new FileReader(file)) {
            List<UpgradedProperty> upgradedProperties = new Gson().fromJson(reader, new TypeToken<List<UpgradedProperty>>() {}.getType());
            // FIXME There should be no duplicates, yet there are some
            return upgradedProperties.stream()
                .distinct()
                .collect(ImmutableList.toImmutableList());

        }

        @Override
        public Locale getLocale() {
            return Locale.ROOT;
        }

        @Override
        public SearchRequestType getType() {
            return SearchRequestType.JSON;
        }

        @Override
        public String getSimilarDocHash() {
            return request.getParameter("sdh");
        }

        sb.append('-').append(artifact.getBaseVersion());
        if (artifact.getClassifier() != null) {
            sb.append('-').append(artifact.getClassifier());
        }
        sb.append('.').append(artifact.getType()).append(LAST_UPDATE_TAG);
        return new File(artifact.getFile().getParentFile(), sb.toString());
    }

    File getTouchfile(RepositoryMetadata metadata, File file) {

    }

    /**
     * Returns the type identifier for this dictionary file.
     *
     * @return the string "mapping" identifying this as a character mapping file
     */
    @Override
    public String getType() {
        return MAPPING;
    }

    /**
     * Returns the file path of this character mapping dictionary.
     *
     * @return the file path as a string
     */
    @Override