import { type IndexEntry, type ListResult, type LookupResult } from './config.ts';
import { IndexCacheStore } from './store.ts';
export declare class RAMIndexCacheStore extends IndexCacheStore {
    private readonly ttl;
    private readonly entries;
    private readonly children;
    private readonly expiry;
    private readonly lock;
    constructor(options?: {
        ttl?: number;
    });
    get(resourcePath: string): Promise<LookupResult>;
    put(resourcePath: string, entry: IndexEntry): Promise<void>;
    listDir(resourcePath: string): Promise<ListResult>;
    setDir(resourcePath: string, entries: readonly [string, IndexEntry][], expiredAt?: Date | null): Promise<void>;
    invalidateDir(resourcePath: string): Promise<void>;
    invalidatePrefix(resourcePath: string): Promise<void>;
    invalidate(): Promise<void>;
    clear(): Promise<void>;
}
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