from typing import Union

from fastapi import FastAPI
from pydantic import BaseModel, Field

app = FastAPI()


class Item(BaseModel):
    name: str = Field(examples=["Foo"])
    description: Union[str, None] = Field(default=None, examples=["A very nice Item"])
    price: float = Field(examples=[35.4])
    tax: Union[float, None] = Field(default=None, examples=[3.2])


@app.put("/items/{item_id}")

	public static final field DISCONNECT_DURING_RESPONSE_BODY Lokhttp3/mockwebserver/SocketPolicy;
	public static final field DO_NOT_READ_REQUEST_BODY Lokhttp3/mockwebserver/SocketPolicy;
	public static final field EXPECT_CONTINUE Lokhttp3/mockwebserver/SocketPolicy;
	public static final field FAIL_HANDSHAKE Lokhttp3/mockwebserver/SocketPolicy;
	public static final field KEEP_OPEN Lokhttp3/mockwebserver/SocketPolicy;

func (z *RStat) 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 "Count":
			z.Count, err = dc.ReadInt64()

 * forked lifecycle.
 * </p>
 * <p>
 * The {@link Parameter} annotation can be added on fields to inject data
 * from the plugin configuration or from other components.
 * </p>
 * <p>
 * Fields can also be annotated with the {@link Resolution} annotation to be injected
 * with the dependency collection or resolution result for the project.
 * </p>
 *

            {
                "type": "missing",
                "loc": ["body", "file"],
                "msg": "Field required",
                "input": None,
            },
            {
                "type": "missing",
                "loc": ["body", "fileb"],
                "msg": "Field required",
                "input": None,
            },
            {
                "type": "missing",

import org.apache.maven.api.annotations.Experimental;

/**
 * Indicates that a given field will be injected with the result of
 * a dependency collection or resolution request. Whether a collection
 * or resolution request is performed is controlled by the {@link #pathScope()}
 * field, the injected field type and the {@link #requestType()}.
 * <p>
 * If the {@code requestType} is not set explicitly, it will be inferred

	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 "v":
			z.Version, err = dc.ReadInt()

func (z *testRequest) 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 "Num":
			z.Num, err = dc.ReadInt()

	switch value := dbValue.(type) {
	case []byte:
		err = field.Set(ctx, dst, bytes.TrimPrefix(value, c.prefix))
	case string:
		err = field.Set(ctx, dst, strings.TrimPrefix(value, string(c.prefix)))
	default:
		err = fmt.Errorf("unsupported data %#v", dbValue)
	}
	return err
}

func (c *CustomSerializer) Value(ctx context.Context, field *schema.Field, dst reflect.Value, fieldValue interface{}) (interface{}, error) {

from typing import Literal

from fastapi import FastAPI, Query
from pydantic import BaseModel, Field

app = FastAPI()


class FilterParams(BaseModel):
    limit: int = Field(100, gt=0, le=100)
    offset: int = Field(0, ge=0)
    order_by: Literal["created_at", "updated_at"] = "created_at"
    tags: list[str] = []


@app.get("/items/")
async def read_items(filter_query: FilterParams = Query()):