import { Settings } from '../Settings.js';
export declare const hashingAlgorithm = "sha1";
/**
 * Creates the folder structure inside the project's cache folder for a given path
 * (supports nested folders)
 *
 * @param folder - a folder relative to the project's cache folder
 * @param settings - an instance of the Settings object
 * @returns the absolute path for the given folder
 */
export declare const createCacheFolderIfNotExists: (folder: string, settings: Settings) => Promise<string>;
/**
 *
 * @param filename - a pathname of a file relative to the project's root directory
 */
export declare const getCacheStats: (filename: string, settings: Settings) => Promise<{
    filename: string;
    exists: boolean;
    hash: string | undefined;
}>;
/**
 * This function assumes that the cache folder exists
 * and that the hash of the cached file is in sync with the contents of the __hashes.json
 *
 * @param filename - full path to a file
 */
export declare const loadHashOf: (filename: string, settings: Settings) => Promise<string | undefined>;
/**
 * This function does not generate hashes, but merely stores them
 *
 * @param filename - full path to a file
 */
export declare const saveHashOf: (filename: string, hash: string, settings: Settings) => Promise<void>;
/**
 * @param filename - full path to a file
 */
export declare const getHashOfFile: (filename: string) => Promise<string>;