/**
     * @throws Exception
     */
    @Test
    public void testPerformance() throws Exception {
        int num = 100000;
        Map<String, Object> hmap = new HashMap<String, Object>();
        Map<String, Object> amap = new ArrayMap<String, Object>();

        long start = System.currentTimeMillis();
        for (int i = 0; i < num; i++) {
            hmap.put(String.valueOf(i), null);
        }

///

Portanto, quando você cria uma instância da classe `Settings` (nesse caso, o objeto `settings`), o Pydantic lê as variáveis de ambiente sem diferenciar maiúsculas e minúsculas, por isso, uma variável maiúscula `APP_NAME` será usada para o atributo `app_name`.

Depois ele irá converter e validar os dados. Assim, quando você utilizar aquele objeto `settings`, os dados terão o tipo que você declarou (e.g. `items_per_user` será do tipo `int`).

		{
			volume, "myobject", 0, 5,
			[]byte("hello"), nil,
		},
		// Success read at hierarchy. - 2
		{
			volume, "path/to/my/object", 0, 5,
			[]byte("hello"), nil,
		},
		// Object is a directory. - 3
		{
			volume, "object-as-dir",
			0, 5, nil, errIsNotRegular,
		},
		// One path segment length is > 255 chars long. - 4
		{

                    "required": ["item"],
                    "type": "object",
                    "properties": {"item": {"$ref": "#/components/schemas/Item"}},
                },
                "ValidationError": {
                    "title": "ValidationError",
                    "required": ["loc", "msg", "type"],
                    "type": "object",
                    "properties": {
                        "loc": {

                    "required": ["item"],
                    "type": "object",
                    "properties": {"item": {"$ref": "#/components/schemas/Item"}},
                },
                "ValidationError": {
                    "title": "ValidationError",
                    "required": ["loc", "msg", "type"],
                    "type": "object",
                    "properties": {
                        "loc": {

            },
        },
        "components": {
            "schemas": {
                "Body_create_file_files__post": {
                    "title": "Body_create_file_files__post",
                    "type": "object",
                    "properties": {
                        "file": IsDict(
                            {
                                "title": "File",
                                "anyOf": [

            },
        },
        "components": {
            "schemas": {
                "Body_create_file_files__post": {
                    "title": "Body_create_file_files__post",
                    "type": "object",
                    "properties": {
                        "file": IsDict(
                            {
                                "title": "File",
                                "anyOf": [

  // Name is the name of resource being referenced
  optional string name = 3;
}

// Subject contains a reference to the object or user identities a role binding applies to.  This can either hold a direct API object reference,
// or a value for non-objects such as user and group names.
message Subject {
  // Kind of object being referenced. Values defined by this API group are "User", "Group", and "ServiceAccount".

         * @return String
         */
        public String getBbb(final Object a) {
            return null;
        }

        /**
         * @return boolean
         */
        public boolean isCCC() {
            return true;
        }

        /**
         * @return Object
         */
        public Object isDdd() {
            return null;
        }

        /**

Для функций `Path()`, `Query()`, `Header()`, и `Cookie()`, аргументы `example` или `examples` добавляются в <a href="https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.0.3.md#parameter-object" class="external-link" target="_blank">определение OpenAPI, к объекту `Parameter Object` (в спецификации)</a>.