您还可以把 `dataclasses` 与其它 Pydantic 模型组合在一起，继承合并的模型，把它们包含在您自己的模型里。

详见 <a href="https://pydantic-docs.helpmanual.io/usage/dataclasses/" class="external-link" target="_blank">Pydantic 官档 - 数据类</a>。

## 版本

💡 🌅, ✅ <a href="https://docs.pydantic.dev/latest/concepts/dataclasses/" class="external-link" target="_blank">Pydantic 🩺 🔃 🎻</a>.

## ⏬

                    return null;
                }
                return (long) Encdec.dec_uint64le(this.sbuf, 28);
            }

            if ( this.sbuf[ 0 ] == (byte) 0x00 && this.sbuf[ 1 ] == (byte) 0x00 && ( this.sbuf[ 4 ] == (byte) 0xFF ) && this.sbuf[ 5 ] == (byte) 'S'
                    && this.sbuf[ 6 ] == (byte) 'M' && this.sbuf[ 7 ] == (byte) 'B' ) {
                break; /* all good (SMB) */
            }

        this.domain = domain;
        this.serverTypes = serverTypes;
        this.name = "\\PIPE\\LANMAN";

        this.maxParameterCount = 8;
        this.maxDataCount = 16384;
        this.maxSetupCount = (byte) 0x00;
        this.setupCount = 0;
        this.timeout = 5000;
    }


    @Override
    public void reset ( int key, String lastN ) {
        super.reset();
        this.lastName = lastN;
    }

        this.address = address;
        if( calledName == null ) {
            this.calledName = address.hostName;
        } else {
            this.calledName = new Name( calledName, 0x20, null );
        }
        soTimeout = Config.getInt( "jcifs.smb1.netbios.soTimeout", DEFAULT_SO_TIMEOUT );
        connect();
    }

    public NbtAddress getNbtAddress() {
        return address;
    }

package jcifs.smb1.netbios;

import java.io.IOException;
import java.io.InputStream;

public abstract class SessionServicePacket { 

    // session service packet types 
    static final int SESSION_MESSAGE = 0x00; 
    static final int SESSION_REQUEST = 0x81; 
    public static final int POSITIVE_SESSION_RESPONSE = 0x82; 
    public static final int NEGATIVE_SESSION_RESPONSE = 0x83; 
    static final int SESSION_RETARGET_RESPONSE = 0x84; 

    /**
     * 
     */
    public static final byte SMB2_INDEX_SPECIFIED = 0x4;

    /**
     * 
     */
    public static final byte SMB2_REOPEN = 0x10;

    private byte fileInformationClass = FILE_BOTH_DIRECTORY_INFO;
    private byte queryFlags;
    private int fileIndex;
    private byte[] fileId;
    private int outputBufferLength;
    private String fileName;

    }

    int writeParameterWordsWireFormat( byte[] dst, int dstIndex ) {
        int start = dstIndex;

        dst[dstIndex++] = (byte)0x00;
        // name length without counting null termination
        namelen_index = dstIndex;
        dstIndex += 2;
        writeInt4( flags0, dst, dstIndex );
        dstIndex += 4;

                    names[_i].decode(_src);
                }
            }
        }
    }
    public static class LsarClose extends DcerpcMessage {

        public int getOpnum() { return 0x00; }

        public int retval;
        public rpc.policy_handle handle;

        public LsarClose(rpc.policy_handle handle) {
            this.handle = handle;
        }

    public static final int FLAGS_NO_PROPAGATE = 0x04;
    /**
     * 
     */
    public static final int FLAGS_INHERIT_ONLY = 0x08;
    /**
     * 
     */
    public static final int FLAGS_INHERITED = 0x10;


    /**
     * Return the SID associated with this ACE.
     * 
     * @return ACE target SID
     */
    SID getSID ();


    /**