@Override
    public String normalize(final String text, final String field, final String... langs) {
        if (text == null) {
            return null;
        }
        String tmp = text;
        for (final Normalizer normalizer : normalizers) {
            tmp = normalizer.normalize(tmp, field, langs);
            if (tmp == null) {
                return null;
            }
        }

                }
            }

        } else if (member instanceof JApiField) {

            JApiField field = (JApiField) member
            CtField oldField = field.oldFieldOptional.get()
            CtField newField = field.newFieldOptional.get()

            def oldNullability = nullabilityOf(oldField)
            def newNullability = nullabilityOf(newField)

    }

    // Helper methods
    private void setPrivateField(Object target, String fieldName, Object value) throws Exception {
        Field field = findField(target.getClass(), fieldName);
        field.setAccessible(true);
        field.set(target, value);
    }

    private Field findField(Class<?> clazz, String fieldName) {
        while (clazz != null) {
            try {

		// Test case with invalid credential field.
		{
			inputV4AuthStr:    signV4Algorithm + " Cred=,a,b",
			expectedAuthField: signValues{},
			expectedErrCode:   ErrMissingCredTag,
		},
		// Test case - 5.
		// Auth field with missing "SigHeaderTag",ErrMissingSignHeadersTag expected.
		// A valid credential is generated.
		// Test case with invalid credential field.
		{
			inputV4AuthStr: signV4Algorithm +

    extends AggregateFuture<V, C> {
  /*
   * We access this field racily but safely. For discussion of a similar situation, see the comments
   * on the fields of TimeoutFuture. This field is slightly different from the fields discussed
   * there: cancel() never reads this field, only writes to it. That makes the race here completely
   * harmless, rather than just 99.99% harmless.
   */

        ASN1EncodableVector v = new ASN1EncodableVector();

        // crealm (field 2)
        v.add(new DERTaggedObject(true, 2, new DERGeneralString(userRealm)));

        // cname (field 3)
        ASN1EncodableVector principalNameVector = new ASN1EncodableVector();
        principalNameVector.add(new DERGeneralString(userName));

func (z *listPathOptions) DecodeMsg(dc *msgp.Reader) (err error) {
	var field []byte
	_ = field
	var zb0001 uint32
	zb0001, err = dc.ReadMapHeader()
	if err != nil {
		err = msgp.WrapError(err)
		return
	}
	for zb0001 > 0 {
		zb0001--
		field, err = dc.ReadMapKeyPtr()
		if err != nil {
			err = msgp.WrapError(err)
			return
		}
		switch msgp.UnsafeString(field) {
		case "ID":
			z.ID, err = dc.ReadString()

            // Verify private fields using reflection
            Field bindingField = DcerpcBind.class.getDeclaredField("binding");
            bindingField.setAccessible(true);
            assertSame(mockBinding, bindingField.get(bindWithParams), "Binding should be set");

            Field maxXmitField = DcerpcBind.class.getDeclaredField("max_xmit");
            maxXmitField.setAccessible(true);

    /**
     * A read-only property.
     */
    public String getReadOnly() {
        return "value";
    }

    /**
     * An ignored field.
     */
    String ignoreMe1;

    /**
     * Another ignored field.
     */
    final long ignoreMe2 = 9;

    /**
     * Not a setter.
     */
    public void setIgnoreMe1() {
    }

    /**
     * Not a setter.
     */

from typing import Annotated, Optional

import pytest
from fastapi import Cookie, FastAPI
from fastapi.testclient import TestClient
from pydantic import BaseModel, Field

app = FastAPI()

# =====================================================================================
# Without aliases


@app.get("/optional-str")
async def read_optional_str(p: Annotated[Optional[str], Cookie()] = None):
    return {"p": p}