difosfor

export class TypedStorage<Items> {
  private prefix: string;

  constructor(prefix: string) {
    this.prefix = prefix;
  }

  public delete<Key extends keyof Items>(key: Key) {
    const value = this.get(key);
    const prefixedKey = this.getPrefixedKey(key);

difosfor

import { customElement, LitElement } from 'lit-element';

type UnpackCustomEvent<T> = T extends CustomEvent<infer U> ? U : never;

// Define custom event types and details here
interface CustomEventMap {
  /**
   * Dispatched when an error occurs.
   */
  'my-error': CustomEvent<{ error: Error }>;