class IDENTIFIERS:
    """Predefined to identify the objects in an input file section and also used in the tags section."""
    name = 'name'

    node = 'node'
    subcatchment = 'subcatchment'
    link = 'link'

    gage = 'gage'

    constituent = 'constituent'

    pollutant = 'pollutant'

    land_use = 'land_use'
