import { Marshaller } from './Marshallers';
import { Parser } from './Parsers';

export interface StorageService {
  /** Retrieves a string key value and returns it directly */
  get<T extends string>(key: string): T;
  /** Retrieves a non-string key value and transforms it using the given function */
  get<T>(key: string, parse: Parser<T>): T;
  /** Stores a string value directly against a key */
  set<T extends string>(key: string, value: T): void;
  /** Stores a value (to be stringified with the given function) against a key */
  set<T>(key: string, value: T, marshal: Marshaller<T>): void;
  /** Is there a value for the given key? */
  contains(key: string): boolean;
}