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")]],

                if (field.getType() == DependencyResolverResult.class) {
                    result = res;
                } else if (field.getType() == Node.class) {
                    result = res.getRoot();
                } else if (field.getType() == List.class && field.getGenericType() instanceof ParameterizedType pt) {

    assertTrue(
        from.getType() + " is expected to be assignable to " + to.getType(),
        to.isSupertypeOf(from));
    assertTrue(
        to.getType() + " is expected to be a supertype of " + from.getType(),
        to.isSupertypeOf(from));
    assertTrue(
        from.getType() + " is expected to be a subtype of " + to.getType(), from.isSubtypeOf(to));
  }

        Map<PathType, List<Path>> dispatched = session.resolveDependencies(
                coords, PathScope.TEST_COMPILE, Arrays.asList(JavaPathType.CLASSES, JavaPathType.MODULES));
        List<Path> classes = dispatched.get(JavaPathType.CLASSES);
        List<Path> modules = dispatched.get(JavaPathType.MODULES);
        List<Path> unresolved = dispatched.get(PathType.UNRESOLVED);

                implements DependencyResolverRequest {

            static final class AlwaysTrueFilter implements Predicate<PathType> {
                @Override
                public boolean test(PathType pathType) {
                    return true;
                }

                @Override
                public boolean equals(Object obj) {

      createConstantUtf8(TEXT_TYPE, "cache-manifest");
  public static final MediaType CSS_UTF_8 = createConstantUtf8(TEXT_TYPE, "css");
  public static final MediaType CSV_UTF_8 = createConstantUtf8(TEXT_TYPE, "csv");
  public static final MediaType HTML_UTF_8 = createConstantUtf8(TEXT_TYPE, "html");
  public static final MediaType I_CALENDAR_UTF_8 = createConstantUtf8(TEXT_TYPE, "calendar");

  /**

                dependency.setGroupId(a.getGroupId());
                dependency.setVersion(a.getVersion());
                dependency.setScope(a.getScope());
                dependency.setType(a.getType());
                dependency.setClassifier(a.getClassifier());

                list.add(dependency);
            }
        }
        return Collections.unmodifiableList(list);
    }

      createConstantUtf8(TEXT_TYPE, "cache-manifest");
  public static final MediaType CSS_UTF_8 = createConstantUtf8(TEXT_TYPE, "css");
  public static final MediaType CSV_UTF_8 = createConstantUtf8(TEXT_TYPE, "csv");
  public static final MediaType HTML_UTF_8 = createConstantUtf8(TEXT_TYPE, "html");
  public static final MediaType I_CALENDAR_UTF_8 = createConstantUtf8(TEXT_TYPE, "calendar");

  /**

            if ((typeReference.getSort() == TypeReference.CLASS_TYPE_PARAMETER || typeReference.getSort() == TypeReference.CLASS_TYPE_PARAMETER_BOUND) &&
                NULLABLE_ANNOTATIONS.contains(Type.getType(descriptor).getClassName())) {
                typeParametersNullability.set(typeReference.getTypeParameterIndex(), true)
            }
            return null
        }
    }

    }

    private record ToolchainWrapperV4(ToolchainPrivate delegate) implements org.apache.maven.api.Toolchain {

        @Override
        public String getType() {
            return delegate.getType();
        }

        @Override
        public String findTool(String toolName) {
            return delegate.findTool(toolName);
        }

        @Override