from typing import Annotated, Optional

import pytest
from fastapi import FastAPI, Header
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], Header()] = None):
    return {"p": p}

        // populate the provides section
        Properties provides = model.getProvides();
        for (Entry<Object, Object> provide : provides.entrySet()) {
            String key = (String) provide.getKey();
            String value = (String) provide.getValue();

            if (value == null) {
                throw new MisconfiguredToolchainException(

        return InetAddress.getByName(getHostAddress());
    }

    /**
     * Returns this IP adress as a {@link java.lang.String} in the form "%d.%d.%d.%d".
     *
     * @return the IP address string
     */

    public String getHostAddress() {
        return (address >>> 24 & 0xFF) + "." + (address >>> 16 & 0xFF) + "." + (address >>> 8 & 0xFF) + "." + (address >>> 0 & 0xFF);
    }

     */
    public netdfs() {
        // Default constructor
    }

    /**
     * Gets the DCE/RPC syntax identifier for the DFS interface
     * @return the syntax identifier string
     */
    public static String getSyntax() {
        return "4fc742e0-4a10-11cf-8273-00aa004ae673:3.0";
    }

    /**
     * DFS volume flavor indicating standalone DFS
     */

)

type proxyStatsCache struct {
	srProxyStats ProxyMetric
	bucketStats  map[string]ProxyMetric
	sync.RWMutex // mutex for proxy stats
}

func newProxyStatsCache() proxyStatsCache {
	return proxyStatsCache{
		bucketStats: make(map[string]ProxyMetric),
	}
}

func (p *proxyStatsCache) inc(bucket string, api replProxyAPI, isErr bool) {
	p.Lock()
	defer p.Unlock()
	v, ok := p.bucketStats[bucket]

         */
        public EngineObj() {
            // Default constructor
        }

        /** Exception message if any error occurred */
        public String exception;
        /** Cluster health status */
        public String status;
        /** Number of in-flight fetch operations */
        public int numberOfInFlightFetch;
        /** Number of pending tasks */
        public int numberOfPendingTasks;

    private static Object getField(Object target, String name) {
        try {
            Field f = findField(target.getClass(), name);
            f.setAccessible(true);
            return f.get(target);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    // Helper: find field in class hierarchy
    private static Field findField(Class<?> clazz, String name) throws NoSuchFieldException {

     * @param cause the cause of the exception
     */
    public RobotsTxtException(final String message, final Throwable cause) {
        super(message, cause);
    }

    /**
     * Constructs a new RobotsTxtException with the specified detail message.
     * @param message the detail message
     */
    public RobotsTxtException(final String message) {
        super(message);
    }

     * This specifies which template or design file to modify.
     */
    public String fileName;

    /**
     * The content of the design file.
     * This contains the actual template code, CSS, or other design content
     * that will be saved to the specified file.
     */
    public String content;

     */
    public SearchEngineClientException(final String message, final Throwable cause) {
        super(message, cause);
    }

    /**
     * Constructs a new SearchEngineClientException with the specified message.
     *
     * @param message the detail message explaining the exception
     */
    public SearchEngineClientException(final String message) {
        super(message);
    }