"path",
    ["/optional-str", "/model-optional-str"],
)
def test_optional_str_schema(path: str):
    assert app.openapi()["paths"][path]["get"]["parameters"] == snapshot(
        [
            {
                "required": False,
                "schema": {
                    "anyOf": [{"type": "string"}, {"type": "null"}],
                    "title": "P",
                },
                "name": "p",
                "in": "query",

    @ValidateTypeFailure
    public Integer crudMode;

    /**
     * The search term for which related queries are shown.
     */
    @Required
    @Size(max = 10000)
    public String term;

    /**
     * The related queries to be suggested (one per line).
     */
    @Required
    @Size(max = 10000)
    public String queries;

    /**
     * The virtual host for which these related queries apply.
     */

                        "summary": "Read Users",
                        "operationId": "read_users_users__user_id__get",
                        "parameters": [
                            {
                                "required": True,
                                "schema": {"title": "User Id", "type": "integer"},
                                "name": "user_id",
                                "in": "path",
                            },

            {
                "type": "missing",
                "loc": ["body", "grant_type"],
                "msg": "Field required",
                "input": None,
            },
            {
                "type": "missing",
                "loc": ["body", "username"],
                "msg": "Field required",
                "input": None,
            },
            {
                "type": "missing",

     */
    public EditForm() {
        super();
    }

    /**
     * The unique identifier of the duplicate host configuration being edited.
     * This is a required field for identifying which duplicate host entry to update.
     */
    @Required
    @Size(max = 1000)
    public String id;

    /**
     * The username of the user who last updated this duplicate host configuration.

     */
    public EditForm() {
        super();
    }

    /**
     * The unique identifier of the access token being edited.
     * This is a required field for identifying which token to update.
     */
    @Required
    @Size(max = 1000)
    public String id;

    /**
     * The username of the user who last updated this access token.

    }
    expectUnchanged();
  }

  @MapFeature.Require(absent = SUPPORTS_REMOVE)
  @CollectionSize.Require(absent = ZERO)
  public void testRemove_unsupportedPresent() {
    assertThrows(UnsupportedOperationException.class, () -> getMap().remove(k0(), v0()));
    expectUnchanged();
  }

  @MapFeature.Require(absent = SUPPORTS_REMOVE)

     */
    public EditForm() {
        super();
    }

    /**
     * The unique identifier of the bad word entry being edited.
     * This is a required field for identifying which bad word to update.
     */
    @Required
    @Size(max = 1000)
    public String id;

    /**
     * The username of the user who last updated this bad word entry.

     */
    public EditForm() {
        super();
    }

    /**
     * The unique identifier of the boost document configuration being edited.
     * This is a required field for identifying which boost document to update.
     */
    @Required
    @Size(max = 1000)
    public String id;

    /**
     * The username of the user who last updated this boost document configuration.

     */
    public EditForm() {
        super();
    }

    /**
     * The unique identifier of the file authentication configuration being edited.
     * This is a required field for identifying which file authentication entry to update.
     */
    @Required
    @Size(max = 1000)
    public String id;

    /**
     * The username of the user who last updated this file authentication configuration.