1[cirq.CircuitOperation(circuit=cirq.FrozenCircuit([
2    cirq.Moment(
3        cirq.H(cirq.LineQubit(0)),
4        cirq.H(cirq.LineQubit(1)),
5        cirq.H(cirq.LineQubit(2)),
6        cirq.H(cirq.LineQubit(3)),
7        cirq.H(cirq.LineQubit(4)),
8    ),
9    cirq.Moment(
10        cirq.MeasurementGate(5, '0,1,2,3,4', ()).on(cirq.LineQubit(0), cirq.LineQubit(1), cirq.LineQubit(2), cirq.LineQubit(3), cirq.LineQubit(4)),
11    ),
12]),
13repetition_ids=['0'],
14measurement_key_map={'0,1,2,3,4': 'mixed_state'}),
15cirq.CircuitOperation(circuit=cirq.FrozenCircuit([
16    cirq.Moment(
17        cirq.S(cirq.LineQubit(0)),
18    ),
19]),
20repetitions=-2,
21repetition_ids=['a', 'b'],
22qubit_map={cirq.LineQubit(0): cirq.LineQubit(1)}),
23cirq.CircuitOperation(circuit=cirq.FrozenCircuit([
24    cirq.Moment(
25        (cirq.X**sympy.Symbol('theta')).on(cirq.LineQubit(0)),
26    ),
27]),
28param_resolver={sympy.Symbol('theta'): 1.5})]