/**
     * @throws Exception
     */
    public void testEncode() throws Exception {
        assertEquals("1", ENCODED_DATA, Base64Util.encode(BINARY_DATA));
        System.out.println(Base64Util.encode(new byte[] { 'a', 'b', 'c' }));
    }

    /**
     * @throws Exception
     */
    public void testDecode() throws Exception {

        setTreeId(t);
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb2.ServerMessageBlock2#encode(byte[], int)
     */
    @Override
    public int encode ( byte[] dst, int dstIndex ) {
        int len = super.encode(dst, dstIndex);
        int exp = size();
        int actual = getLength();
        if ( exp != actual ) {

  /**
   * Returns an {@link Escaper} instance that escapes strings so they can be safely included in <a
   * href="https://url.spec.whatwg.org/#application-x-www-form-urlencoded-percent-encode-set">URL
   * form parameter names and values</a>. Escaping is performed with the UTF-8 character encoding.
   * The caller is responsible for <a

        public short time_mid;
        public short time_hi_and_version;
        public byte clock_seq_hi_and_reserved;
        public byte clock_seq_low;
        public byte[] node;

        public void encode(NdrBuffer _dst) throws NdrException {
            _dst.align(4);
            _dst.enc_ndr_long(time_low);
            _dst.enc_ndr_short(time_mid);
            _dst.enc_ndr_short(time_hi_and_version);

    /**
     * 
     * @param flags
     */
    public AvFlags ( int flags ) {
        this(encode(flags));
    }


    /**
     * 
     * @return flags
     */
    public int getFlags () {
        return SMBUtil.readInt4(this.getRaw(), 0);
    }


    private static byte[] encode ( int flags ) {
        byte[] raw = new byte[4];
        SMBUtil.writeInt4(flags, raw, 0);
        return raw;

     */
    @Override
    public int size () {
        return this.len;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.Encodable#encode(byte[], int)
     */
    @Override
    public int encode ( byte[] dst, int dstIndex ) {
        System.arraycopy(this.bytes, this.off, dst, dstIndex, this.len);
        return this.len;
    }

        this.sourceOffset = soff;
        this.targetOffset = toff;
        this.length = len;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.Encodable#encode(byte[], int)
     */
    @Override
    public int encode ( byte[] dst, int dstIndex ) {
        int start = dstIndex;
        SMBUtil.writeInt8(this.sourceOffset, dst, dstIndex);
        dstIndex += 8;

     */
    @Override
    public int size () {
        return 8;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.Encodable#encode(byte[], int)
     */
    @Override
    public int encode ( byte[] dst, int dstIndex ) {
        SMBUtil.writeInt8(this.indexNumber, dst, dstIndex);
        return 8;
    }


    @Override
    public String toString () {

    }


    /**
     * 
     * @param customData
     * @param machineId
     */
    public AvSingleHost ( byte[] customData, byte[] machineId ) {
        this(encode(customData, machineId));
    }


    private static byte[] encode ( byte[] customData, byte[] machineId ) {
        int size = 8 + 8 + 32;
        byte[] enc = new byte[size];
        SMBUtil.writeInt4(size, enc, 0);
        SMBUtil.writeInt4(0, enc, 4);

from fastapi import FastAPI
from fastapi.encoders import jsonable_encoder
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str | None = None
    description: str | None = None
    price: float | None = None
    tax: float = 10.5
    tags: list[str] = []


items = {
    "foo": {"name": "Foo", "price": 50.2},
    "bar": {"name": "Bar", "description": "The bartenders", "price": 62, "tax": 20.2},