export declare class Memoizer {
    private cache;
    /**
     * Gets a cached value for the given key, computing it if it doesn't exist.
     *
     * @param key - The key to look up or store the value under
     * @param compute - Function to compute the value if it's not cached
     * @returns The cached or computed value
     */
    get<K extends string, V>(key: K, compute: () => V): V;
    /**
     * Checks if a value exists for the given key.
     *
     * @param key - The key to check
     * @returns Whether the key exists in the cache
     */
    has(key: string): boolean;
    /**
     * Deletes a cached value.
     *
     * @param key - The key to delete
     * @returns Whether a value was deleted
     */
    delete(key: string): boolean;
    /**
     * Clears all cached values.
     */
    clear(): void;
    /**
     * Gets all cached keys.
     *
     * @returns Array of cached keys
     */
    keys(): string[];
}