function BpmnModdle(packages, options) {
  Moddle.call(this, packages, options);
}
A sub class of {@link Moddle} with support for import and export of BPMN 2.0 xml files.

@class BpmnModdle
@extends Moddle

@param {Object|Array} packages to use for instantiating the model
@param {Object} [options] additional options to pass over