@dataclass
class Item:
    name: str
    description: Union[str, None] = None


@dataclass
class Author:
    name: str
    items: list[Item] = field(default_factory=list)  # (3)


app = FastAPI()


@app.post("/authors/{author_id}/items/", response_model=Author)  # (4)
async def create_author_items(author_id: str, items: list[Item]):  # (5)
    return {"name": author_id, "items": items}  # (6)

import org.codelibs.core.beans.converter.DateConverter;
import org.codelibs.core.beans.converter.NumberConverter;
import org.codelibs.core.exception.ConverterRuntimeException;
import org.junit.Test;

/**
 * @author higa
 */
public class CopyOptionsTest {

    /**
     * @throws Exception
     */
    @Test
    public void testIncludes() throws Exception {
        final CopyOptions option = new CopyOptions();

import com.google.common.annotations.J2ktIncompatible;
import java.io.Serializable;
import org.jspecify.annotations.Nullable;

/**
 * {@code keySet()} implementation for {@link ImmutableMap}.
 *
 * @author Jesse Wilson
 * @author Kevin Bourrillion
 */
@GwtCompatible
final class ImmutableMapKeySet<K, V> extends IndexedImmutableSet<K> {
  private final ImmutableMap<K, V> map;

  ImmutableMapKeySet(ImmutableMap<K, V> map) {

import com.google.common.primitives.Ints;
import org.jspecify.annotations.Nullable;

/**
 * Static methods for implementing hash-based collections.
 *
 * @author Kevin Bourrillion
 * @author Jesse Wilson
 * @author Austin Appleby
 */
@GwtCompatible
final class Hashing {
  private Hashing() {}

  /*
   * These should be ints, but we need to use longs to force GWT to do the multiplications with

package jcifs.pac.kerberos;

import java.security.Key;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;

import javax.security.auth.Subject;
import javax.security.auth.kerberos.KerberosKey;
import javax.security.auth.login.LoginContext;
import javax.security.auth.login.LoginException;

/**
 * Kerberos credentials management class that handles authentication through JAAS.
 */
public class KerberosCredentials {

import javax.naming.NamingException;

import org.codelibs.core.exception.NamingRuntimeException;

/**
 * Utility class for handling {@link javax.naming.InitialContext InitialContext}.
 *
 * @author higa
 */
public abstract class InitialContextUtil {

    /**
     * Do not instantiate.
     */
    protected InitialContextUtil() {
    }

    /**
     * Creates and returns an initial context.

import java.sql.ResultSet;
import java.sql.SQLException;

import org.codelibs.core.exception.SQLRuntimeException;
import org.codelibs.core.log.Logger;

/**
 * Utility class for {@link ResultSet}.
 *
 * @author higa
 */
public abstract class ResultSetUtil {

    private static final Logger logger = Logger.getLogger(ResultSetUtil.class);

    /**
     * Do not instantiate.
     */
    protected ResultSetUtil() {

 * Provides cryptographic signing capabilities for SMB protocol messages to ensure
 * message integrity and authenticity using MAC (Message Authentication Code) algorithms.
 *
 * @author mbechler
 */
public interface SMBSigningDigest {

    /**
     * Performs MAC signing of the SMB. This is done as follows.
     * The signature field of the SMB is overwritten with the sequence number;

import jcifs.internal.util.SMBUtil;

/**
 * SMB2 Validate Negotiate Info request data structure. This structure is used to validate
 * that the negotiated SMB2 dialect matches what was originally negotiated.
 *
 * @author mbechler
 *
 */
public class ValidateNegotiateInfoRequest implements Encodable {

    private final int capabilities;
    private final byte[] clientGuid;
    private final int securityMode;

import jcifs.util.Hexdump;

/**
 * SMB2 Oplock Break notification message. This server-initiated message notifies the client
 * that an opportunistic lock must be broken due to conflicting access from another client.
 *
 * @author mbechler
 *
 */
public class Smb2OplockBreakNotification extends ServerMessageBlock2Response {

    private byte oplockLevel;
    private byte[] fileId;

    /**