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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 process_result_value(self, value, dialect):
 """Convert a JSON encoded string to a dictionary structure."""

        if value is not None:
            with BytesIO(value) as stream:
                with GzipFile(fileobj=stream, mode="rb") as file_handle:
                    value = json.loads(file_handle.read().decode("utf-8"))
        return value