static isValid(value) {
      return typeof value === "string" || value instanceof HTMLElement;
    }
@class
DOM Element reference or ID.
<b>Note:</b> If an ID is passed, it is expected to be part of the same <code>document</code> element as the consuming component.

@constructor
@extends sap.ui.webc.base.types.DataType
@author SAP SE
@alias sap.ui.webc.base.types.DOMReference
@public