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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 field_data(self, field_data):
 """ Set field_data. Deprecated in favor of a 'field-data' service. """

        warnings.warn("Runtime.field_data is deprecated", FieldDataDeprecationWarning, stacklevel=2)
        self._deprecated_per_instance_field_data = field_data