docs: def generate_repo_list(product_name=None, product_version=None, product_milestone=None):
      """
      Generates list of artifacts for offline repository.
      """
      if not validate_input_parameters(product_name, product_version, product_milestone):
          sys.exit(1)
      product_version = pnc_api.product_versions.get_all(q="version=='"+ product_version + "';product.name=='"+product_name+"'")
      if not product_version.content:
          logging.error('Specified product version not found.')
          sys.exit(1)
      product_version_id = product_version.content[0].id
      milestone = pnc_api.product_milestones.get_all(q="version=='"+ product_milestone + "';productVersion.id=='"+str(product_version_id)+"'")
      if not milestone.content:
          logging.error('Specified milestone not found.')
          sys.exit(1)
      milestone_id = milestone.content[0].id
      builds = get_all_successful_builds(milestone_id)
      if not builds:
          logging.warning('No builds performed in the milestone.')
          return
      for build in builds:
          built_artifacts = get_all_artifacts(build.id)
          for artifact in built_artifacts:
              print(artifact.identifier)