import { CacheClient } from './CacheClient';
export type MemCacheClientOptions = {
    recordTTLSeconds?: number;
    maxItems?: number;
    maxSizeInBytes?: number;
};
export declare class MemCacheClient implements CacheClient {
    private cache;
    private static instance;
    private isReady;
    private recordTTLSeconds;
    private maxSizeInBytes;
    private constructor();
    static getInstance(): MemCacheClient;
    /**
     * Re-create the singleton instance with provided options (useful for configuration)
     */
    static configure(memCacheClientOptions?: Partial<MemCacheClientOptions>): void;
    get(key: string): Promise<string | null>;
    set(key: string, value: string): Promise<void>;
    delete(key: string): Promise<void>;
    isAvailable(): boolean;
}
declare const _default: MemCacheClient;
export default _default;
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