def __init__(self):
    self._generators = {
        'DnsGenerator': dns_generator.DnsGenerator,
        }
Return the source map index for minified_src, loading it if not
dataset/ETHPy150Open google/capirca/definate/generator_factory.py/GeneratorFactory.__init__--crossover with--dataset/ETHPy150Open zulip/zulip/zerver/lib/unminify.py/SourceMap._index_for