*       expression involving {@code view} will throw)
   *   <li>{@code hashCode()} does not throw
   *   <li>if {@code node} is re-added to the network after having been removed, {@code view}'s
   *       behavior is undefined
   * </ul>
   *
   * @throws IllegalArgumentException if {@code node} is not an element of this network
   */
  Set<N> adjacentNodes(N node);

  /**

import com.google.common.annotations.GwtCompatible;
import java.io.Serializable;
import javax.annotation.CheckForNull;

/**
 * Utility class for converting between various ASCII case formats. Behavior is undefined for
 * non-ASCII input.
 *
 * @author Mike Bostock
 * @since 1.0
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public enum CaseFormat {

.Event(jt.SHOW,e),i=c._getParentFromElement(this._element);if(g(i).trigger(n),!n.isDefaultPrevented()){if(!this._inNavbar&&t){if("undefined"==typeof u)throw new TypeError("Bootstrap's dropdowns require Popper.js (https://popper.js.org/)");var o=this._element;"parent"===this._config.reference?o=i:_.isElement(this._config.reference)&&(o=this._config.reference,"undefined"!=typeof this._config.reference.jquery&&(o=this._config.reference[0])),"scrollParent"!==this._config.boundary&&g(i).addClass(qt),this._popper=new...

")[0],10),c=parseInt(a.split(":")[1],10);return!(b>23||c>59)},errorMessage:"",errorMessageKey:"badTime"}),a.formUtils.addValidator({name:"birthdate",validatorFunction:function(c,d,e){var f="yyyy-mm-dd";d.valAttr("format")?f=d.valAttr("format"):"undefined"!=typeof e.dateFormat&&(f=e.dateFormat);var g=a.formUtils.parseDate(c,f);if(!g)return!1;var h=g[0],i=g[1],j=g[2],k=b(h,i,j),l=(d.valAttr("age-range")||"0-124").split("-");if(d.trigger("ageCalculated",[k]),2!==l.length||!a.isNumeric(l[0])||!a.isNumeric(l[1]))throw...

import com.google.common.annotations.GwtCompatible;
import java.io.Serializable;
import javax.annotation.CheckForNull;

/**
 * Utility class for converting between various ASCII case formats. Behavior is undefined for
 * non-ASCII input.
 *
 * @author Mike Bostock
 * @since 1.0
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public enum CaseFormat {

from typing import Any, Dict, List, Optional, Sequence, Set, Tuple, Type, Union, cast

from fastapi import routing
from fastapi._compat import (
    GenerateJsonSchema,
    JsonSchemaValue,
    ModelField,
    Undefined,
    get_compat_model_name_map,
    get_definitions,
    get_schema_from_model_field,
    lenient_issubclass,
)
from fastapi.datastructures import DefaultPlaceholder
from fastapi.dependencies.models import Dependant

   * Returns the number of times {@link Cache} lookup methods have returned either a cached or
   * uncached value. This is defined as {@code hitCount + missCount}.
   *
   * <p><b>Note:</b> the values of the metrics are undefined in case of overflow (though it is
   * guaranteed not to throw an exception). If you require specific handling, we recommend
   * implementing your own stats collector.
   */
  public long requestCount() {

   * Returns the number of times {@link Cache} lookup methods have returned either a cached or
   * uncached value. This is defined as {@code hitCount + missCount}.
   *
   * <p><b>Note:</b> the values of the metrics are undefined in case of overflow (though it is
   * guaranteed not to throw an exception). If you require specific handling, we recommend
   * implementing your own stats collector.
   */
  public long requestCount() {

    return -1;
  }

  @J2ktIncompatible // https://youtrack.jetbrains.com/issue/KT-58242/ undefined behavior (crash)
  @Override
  public void testContainsKey() {
    try {
      super.testContainsKey();
    } catch (ClassCastException tolerated) {
    }
  }

  @J2ktIncompatible // https://youtrack.jetbrains.com/issue/KT-58242/ undefined behavior (crash)
  @Override
  public void testEntrySetContainsEntryIncompatibleKey() {

from decimal import Decimal
from enum import Enum
from pathlib import PurePath, PurePosixPath, PureWindowsPath
from typing import Optional

import pytest
from fastapi._compat import PYDANTIC_V2, Undefined
from fastapi.encoders import jsonable_encoder
from pydantic import BaseModel, Field, ValidationError

from .utils import needs_pydanticv1, needs_pydanticv2


class Person:
    def __init__(self, name: str):