export interface Storage {
  /**
   * Returns the number of key/value pairs.
   *
   * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Storage/length)
   */
  readonly length: number;
  /**
   * Removes all key/value pairs, if there are any.
   *
   * Dispatches a storage event on Window objects holding an equivalent Storage object.
   *
   * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Storage/clear)
   */
  clear(): void;
  /**
   * Returns the current value associated with the given key, or null if the given key does not exist.
   *
   * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Storage/getItem)
   */
  getItem(key: string): string | null;
  /**
   * Returns the name of the nth key, or null if n is greater than or equal to the number of key/value pairs.
   *
   * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Storage/key)
   */
  key(index: number): string | null;
  /**
   * Removes the key/value pair with the given key, if a key/value pair with the given key exists.
   *
   * Dispatches a storage event on Window objects holding an equivalent Storage object.
   *
   * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Storage/removeItem)
   */
  removeItem(key: string): void;
  /**
   * Sets the value of the pair identified by key to value, creating a new key/value pair if none existed for key previously.
   *
   * Throws a "QuotaExceededError" DOMException exception if the new value couldn't be set. (Setting could fail if, e.g., the user has disabled storage for the site, or if the quota has been exceeded.)
   *
   * Dispatches a storage event on Window objects holding an equivalent Storage object.
   *
   * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Storage/setItem)
   */
  setItem(key: string, value: string): void;
  [name: string]: any;
}