}

type evictKeyConfigs[K comparable] struct {
	key              K
	dependentConfigs []ConfigHash
}

type lruCache[K comparable] struct {
	enableAssertions bool
	store            simplelru.LRUCache[K, cacheValue]
	// token stores the latest token of the store, used to prevent stale data overwrite.
	// It is refreshed when Clear or ClearAll are called
	token       CacheToken
	mu          sync.RWMutex

func (c *singleCache) get(key interface{}) flowcontrol.RateLimiter {
	return c.rateLimiter
}

// lruCache is a least-recently-used cache
type lruCache struct {
	// factory to use to create new rate limiters
	rateLimiterFactory func() flowcontrol.RateLimiter
	// the actual LRU cache
	cache *lru.Cache
}

func (c *lruCache) get(key interface{}) flowcontrol.RateLimiter {
	value, found := c.cache.Get(key)
	if !found {

			ConfigKey{Kind: kind.DestinationRule, Name: "name", Namespace: "namespace"}.HashCode(),
		},
	}

	c := newTypedXdsCache[uint64]()

	cache := c.(*lruCache[uint64])

	assert.Equal(t, cache.store.Len(), 0)
	assert.Equal(t, cache.indexLength(), 0)

	// adding the entry populates the indexes
	c.Add(firstEntry.Key(), firstEntry, req, res)

import (
	"encoding/pem"
	"fmt"
	"math/rand"
	"time"

	certificatesv1alpha1 "k8s.io/api/certificates/v1alpha1"
	k8serrors "k8s.io/apimachinery/pkg/api/errors"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	lrucache "k8s.io/apimachinery/pkg/util/cache"
	"k8s.io/apimachinery/pkg/util/sets"
	certinformersv1alpha1 "k8s.io/client-go/informers/certificates/v1alpha1"
	certlistersv1alpha1 "k8s.io/client-go/listers/certificates/v1alpha1"

	}
	nextRateLimiter := 0
	rateLimiterFactory := func() flowcontrol.RateLimiter {
		rateLimiter := rateLimiters[nextRateLimiter]
		nextRateLimiter++
		return rateLimiter
	}
	underlyingCache := lru.New(2)
	cache := lruCache{
		rateLimiterFactory: rateLimiterFactory,
		cache:              underlyingCache,
	}
	cases := []struct {
		name     string
		key      int
		expected flowcontrol.RateLimiter
	}{
		{

			},
			keyFunc: getServerKey,
		}, nil
	}

	cacheSize := int(config.CacheSize)
	if cacheSize == 0 {
		cacheSize = defaultCacheSize
	}
	underlyingCache := lru.New(cacheSize)
	cache := &lruCache{
		rateLimiterFactory: rateLimiterFactory,
		cache:              underlyingCache,
	}

	var keyFunc func(admission.Attributes) string
	switch t := config.Type; t {
	case eventratelimitapi.NamespaceLimitType:

// ttlWrapper type makes it so we control the exposure of the underlying ttlCache pointer.
// When the pointer to ttlWrapper is finalized, this tells us to go ahead and stop the
// evicter goroutine, which allows the lruCache instance to be collected and everything
// ends well.

// See use of SetFinalizer below for an explanation of this weird composition
type ttlWrapper struct {
	*ttlCache
}

type ttlCache struct {

from functools import lru_cache

from fastapi import Depends, FastAPI
from typing_extensions import Annotated

from . import config

app = FastAPI()


@lru_cache
def get_settings():
    return config.Settings()


@app.get("/info")
async def info(settings: Annotated[config.Settings, Depends(get_settings)]):
    return {
        "app_name": settings.app_name,
        "admin_email": settings.admin_email,

from functools import lru_cache

from fastapi import Depends, FastAPI

from . import config

app = FastAPI()


@lru_cache
def get_settings():
    return config.Settings()


@app.get("/info")
async def info(settings: config.Settings = Depends(get_settings)):
    return {
        "app_name": settings.app_name,
        "admin_email": settings.admin_email,
        "items_per_user": settings.items_per_user,

from functools import lru_cache

from fastapi import Depends, FastAPI
from typing_extensions import Annotated

from .config import Settings

app = FastAPI()


@lru_cache
def get_settings():
    return Settings()


@app.get("/info")
async def info(settings: Annotated[Settings, Depends(get_settings)]):
    return {
        "app_name": settings.app_name,
        "admin_email": settings.admin_email,