def METHOD_NAME(self) -> List['cirq.TRANSFORMER']:
    """List of transformers which should be run after decomposing individual operations."""
    def rewriter(o: 'cirq.CircuitOperation'):
        result = self._decompose_single_qubit_operation(o, -1)
        return o.circuit.all_operations() if result is NotImplemented else result
    return [
        transformers.create_transformer_with_kwargs(
            transformers.merge_k_qubit_unitaries, k=1, rewriter=rewriter
        ),
        transformers.drop_negligible_operations,
        transformers.drop_empty_moments,
    ]