in qumat/cirq_backend.py [0:0]
def apply_toffoli_gate(circuit, control_qubit_index1, control_qubit_index2, target_qubit_index):
control_qubit1 = cirq.LineQubit(control_qubit_index1)
control_qubit2 = cirq.LineQubit(control_qubit_index2)
target_qubit = cirq.LineQubit(target_qubit_index)
circuit.append(cirq.CCX(control_qubit1, control_qubit2, target_qubit))