import { ControlCommand } from '../ui-control-commands';
import { CacheInterface } from './cache-interface';
import { CacheEntry } from './cache-entry';
import { CacheConfig, ValidationType } from './cache-config';
import { CustomElement } from '../model/custom-element';
export declare class CacheManager implements CacheInterface {
    private relevantData;
    validationType: ValidationType;
    private cacheFile;
    private readonly referenceWidth;
    private readonly referenceHeight;
    private readonly defaultValidationType;
    constructor(config: CacheConfig);
    loadFromFile(): void;
    saveToFile(): void;
    add(key: string, value: CacheEntry): void;
    addCacheEntryFromControlCommand(instruction: string, controlCommand: ControlCommand, customElements: CustomElement[], image?: string): Promise<void>;
    isImageRequired(instruction: string, customElements: CustomElement[]): boolean | undefined;
    getCachedControlCommand(instruction: string, customElements: CustomElement[], image?: string): Promise<ControlCommand | undefined>;
    private encodeKey;
    private getCacheEntriesByKey;
    private getValidCacheEntry;
    private validateAccordingToPixelPerfect;
}