import type { ResponseContext } from './interceptors.js';
export type CacheBackend = 'memory' | 'redis';
export type CacheScope = 'auto' | 'public' | 'private' | 'session';
export type CacheEvictionReason = 'max_entries' | 'max_memory';
export interface CachePolicy {
    backend: CacheBackend;
    scope: Exclude<CacheScope, 'auto'>;
    ttlSeconds: number;
    methods: Set<string>;
    varyHeaders: Set<string>;
    maxEntries: number;
    maxMemoryBytes: number;
}
export interface CacheStore {
    get(key: string, nowMs?: number): ResponseContext | undefined;
    set(key: string, response: ResponseContext, ttlSeconds: number, nowMs?: number): void;
    delete(key: string): boolean;
    clear(): void;
}
export interface CacheStoreFactoryOptions {
    onEvict?: (reason: CacheEvictionReason) => void;
}
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