def __init__(self, container):
        self.indent = 1
        self.container = container
Convenience function to return metadataPrefix as CSW outputschema
dataset/ETHPy150Open enthought/traits/traits/util/event_tracer.py/ChangeEventRecorder.__init__--crossover with--dataset/ETHPy150Open geopython/pycsw/pycsw/oaipmh.py/OAIPMH._get_metadata_prefix