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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def to_json(self) -> Dict: """Return this query as a JSON object."""

        rv = {
            'network_ids': self.network_ids,
        }

        if self.seeding:
            rv['seeding'] = self.seeding.to_json()

        if self.pipeline:
            rv['pipeline'] = self.pipeline.to_json()

        return rv