import * as i0 from "@angular/core";
/**
 * @enum StorageKeys creates keys and values and these keys are used to storage a value to storage.
 * @enum {string}
 */
export declare enum StorageKeys {
    USER_INFO = "USER_INFO",
    AUTH_TOKEN = "PAT",
    VISITED_ROUTE = "VISITED_ROUTE"
}
/**
 * StorageService provides methods to interact with the browser's storage (localStorage).
 * It allows storing and retrieving data using key-value pairs.
 */
export declare class StorageService {
    /**
     * Retrieves the value associated with the given key from the storage
     * @param {string} key -The key used to identify the value.
     * @returns {any | null} -The value associated with the key, or null if the key is not found.
     */
    getValue(key: string): any | null;
    /**
     * Sets the value associated with the given key in the storage
     * @param {string} key -The key used to identify the value.
     * @param {any} value -The value to be stored.
     * @return -returns nothing
     */
    setValue(key: string, value: any): void;
    /**
     * Removes the value associated with the given key from the storage.
     * @param {string} key -The key used to identify the value.
     * @return -returns nothing
     */
    removeValue(key: string): void;
    /**
     * Clears all key-value pairs from the storage.
     * @return -returns nothing
     */
    clearStorage(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<StorageService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<StorageService>;
}