import type { Logger } from "../Logging";
import type { Maybe } from "../Maybe";
import type { Void } from "../Types";
import type { SaveJsonFileOptions } from "./FS";
import type { AnyTypeValidation } from '@altostra/type-validations';
export interface DataCacheOptions<T> {
    cachePath: string;
    fetch: () => Promise<T>;
    validate: AnyTypeValidation<T>;
    saveOptions?: SaveJsonFileOptions;
    debugLogger?: Logger;
    ttlInSeconds?: number;
}
export declare class DataCache<T> {
    #private;
    constructor({ cachePath, fetch, validate, debugLogger, saveOptions, ttlInSeconds, }: DataCacheOptions<T>);
    updateCache(): Promise<Maybe<T>>;
    get(): Promise<Maybe<T>>;
    getWithUpdates(): Promise<WithUpdates<T>>;
    clearLocal(): Promise<Void>;
    private _tryGet;
    private _validateData;
}
export interface WithUpdates<T> {
    readonly cached: Maybe<T>;
    readonly isUpdated: boolean;
    getUpdated(): Promise<Maybe<T>>;
}