constructor(domManager, model) {
      Logger.DEBUG_LEVEL = model.options.debug ? 4 : 0;
      Logger.debug("EventManager: Init EventManager");
      this.domManager = domManager;
      this.model = model;
      this.eventHandlers = /* @__PURE__ */ new Map();
      Logger.debug("EventManager: EventManager initialized");
    }
Analyzes DOM-Vreyevo and finds all attributes starting with @,
Registering them as events
@param {HTMLElement} rootElement - Root element for searching for events