ns = {
  'ssc': 'http://ssp-standard.org/SSP1/SystemStructureCommon',
  'ssd': 'http://ssp-standard.org/SSP1/SystemStructureDescription',
  'ssv': 'http://ssp-standard.org/SSP1/SystemStructureParameterValues',
  'ssm': 'http://ssp-standard.org/SSP1/SystemStructureParameterMapping',
  'ssb': 'http://ssp-standard.org/SSP1/SystemStructureSignalDictionary',
  'oms': 'https://raw.githubusercontent.com/OpenModelica/OMSimulator/master/schema/oms.xsd'
}

def tag(prefix, name):
  '''Helper method to generate a properly namespaced tag.'''
  return f'{{{ns[prefix]}}}{name}'
