code: def export_process_element(definitions, process_id, process_attributes_dictionary):
          
          process = eTree.SubElement(definitions, consts.Consts.process)
          process.set(consts.Consts.id, process_id)
          process.set(consts.Consts.is_closed, process_attributes_dictionary[consts.Consts.is_closed])
          process.set(consts.Consts.is_executable, process_attributes_dictionary[consts.Consts.is_executable])
          process.set(consts.Consts.process_type, process_attributes_dictionary[consts.Consts.process_type])
  
          return process
docs: Creates process element for exported BPMN XML file.
  
          :param process_id: string object. ID of exported process element,
          :param definitions: an XML element ('definitions'), root element of BPMN 2.0 document
          :param process_attributes_dictionary: dictionary that holds attribute values of 'process' element
          :return: process XML element