new LRUCache<K, V>(options): LRUCache<K, V>;

get memoryBytes(): number;

get size(): number;

clear(): void;

delete(key): boolean;

export(): {
  expiresAt?: number;
  key: K;
  value: V;
}[];

forEach(callback): void;

get(key): V | undefined;

getMetrics(): CacheMetrics;

getOrCompute(
   key, 
   compute, 
   ttl?): V;

getOrComputeAsync(
   key, 
   compute, 
ttl?): Promise<V>;

has(key): boolean;

import(entries): void;

keys(): IterableIterator<K>;

prune(): number;

resetMetrics(): void;

set(
   key, 
   value, 
   ttl?): void;

values(): V[];