import BpmnRules from 'bpmn-js/lib/features/rules/BpmnRules' import inherits from 'inherits' export default function CustomRules(eventBus) { BpmnRules.call(this, eventBus) } inherits(CustomRules, BpmnRules) CustomRules.prototype.canDrop = function () { return false } CustomRules.prototype.canMove = function () { return false }