def METHOD_NAME(self) -> List[cirq.Qid]:
    """All qubits in Register order."""
    merged_qubits = self.r.merge_qubits(**self.quregs)
    decomposed_qubits = self.decomposed_circuit.METHOD_NAME()
    return merged_qubits + sorted(decomposed_qubits - frozenset(merged_qubits))