import { GetStorageConflig, StorageConfig } from './storageModelPermType';
export declare class NgStorage {
    /**
     @LocalStorage Service
     */
    /**
    @setLocalStorage
    * Set data in local storage
    */
    setLocalStorage(options: StorageConfig): Promise<any>;
    /**
    @getLocalStorage
    * Get data in local storage
    */
    getLocalStorage(options: GetStorageConflig): Promise<any>;
    /**
    @removeLocalStorageItem
    * Remove data in local storage
    */
    removeLocalStorageItem(key: string): Promise<any>;
    /**
    @getLocalStorageLength
    * Get total local storage
    */
    getLocalStorageLength(): Promise<any>;
    /**
    @getLocalStorageAllKey
    * Get all local storage KEY list
    */
    getLocalStorageAllKey(): Promise<any>;
    clearAllLocalStorage(): Promise<unknown>;
    /**
       @SessionStorage Service
    */
    /**
    @setSessionStorage
    * Set data in session storage
    */
    setSessionStorage(options: StorageConfig): Promise<any>;
    /**
    @getSessionStorage
    * Get data in session storage
    */
    getSessionStorage(options: GetStorageConflig): Promise<any>;
    /**
    @getSessionStorageLength
    * Get total session storage
    */
    getSessionStorageLength(): Promise<any>;
    /**
    @getSessionStorageAllKey
    * Get all session storage KEY list
    */
    getSessionStorageAllKey(): Promise<any>;
    /**
    @removeLocalStorageItem
    * Remove data in local storage
    */
    removeSessionStorageItem(key: string): Promise<any>;
    clearAllSessionStorage(): Promise<unknown>;
    private convertJsonToString;
    private convertStringToJson;
    private saveDataInLocalStorage;
    private saveDataInSessionStorage;
}