text: '''
      This file is part of PM4Py (More Info: https://pm4py.fit.fraunhofer.de).
  
      PM4Py is free software: you can redistribute it and/or modify
      it under the terms of the GNU General Public License as published by
      the Free Software Foundation, either version 3 of the License, or
      (at your option) any later version.
  
      PM4Py is distributed in the hope that it will be useful,
      but WITHOUT ANY WARRANTY; without even the implied warranty of
      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      GNU General Public License for more details.
  
      You should have received a copy of the GNU General Public License
      along with PM4Py.  If not, see <https://www.gnu.org/licenses/>.
  '''
  from enum import Enum
  
  from pm4py.objects.petri.exporter.variants import pnml
  from pm4py.util import exec_utils
  
  
  class Variants(Enum):
      PNML = pnml
  
  
  PNML = Variants.PNML
  
  
  def apply(net, initial_marking, output_filename, final_marking=None, variant=PNML, parameters=None):
      """
      Export a Petri net along with an initial marking (and possibly a final marking) to an output file
  
      Parameters
      ------------
      net
          Petri net
      initial_marking
          Initial marking
      output_filename
          Output filename
      final_marking
          Final marking
      variant
          Variant of the algorithm, possible values:
              - Variants.PNML
      parameters
          Parameters of the exporter
      """
      return exec_utils.get_variant(variant).export_net(net, initial_marking, output_filename,
                                                        final_marking=final_marking, parameters=parameters)
  
  
  def serialize(net, initial_marking, final_marking=None, variant=PNML):
      """
      Serialize a Petri net along with an initial marking (and possibly a final marking) to a binary PNML string
  
      Parameters
      ------------
      net
          Petri net
      initial_marking
          Initial marking
      final_marking
          Final marking
      variant
          Variant of the algorithm, possible values:
              - Variants.PNML
  
      Returns
      -------------
      serialization
          Binary string (BPMN 2.0 XML standard)
      """
      return exec_utils.get_variant(variant).export_petri_as_string(net, initial_marking, final_marking=final_marking)
  