export declare const resetPackage: () => void;
/**
 * checks attribute presence and activity
 */
export declare const checkAttrActivity: (attr: boolean) => boolean;
/**
 * gets string | string[] and returns valid format in string []
 */
export declare const getClassNames: (input: string | string[]) => string[];
/**
 * hides a way to flush an error message
 */
export declare const showError: (...errorMessages: any[]) => void;