def METHOD_NAME():
    cd = cirq.ClassicalDataDictionaryStore(
        _records={mkey_m: [(0, 1)]},
        _measured_qubits={mkey_m: [two_qubits]},
        _channel_records={mkey_c: [3]},
        _measurement_types={
            mkey_m: cirq.MeasurementType.MEASUREMENT,
            mkey_c: cirq.MeasurementType.CHANNEL,
        },
    )
    cd1 = cd.copy()
    assert cd1 is not cd
    assert cd1 == cd
    assert cd1.records is not cd.records
    assert cd1.records == cd.records
    assert cd1.measured_qubits is not cd.measured_qubits
    assert cd1.measured_qubits == cd.measured_qubits
    assert cd1.channel_records is not cd.channel_records
    assert cd1.channel_records == cd.channel_records
    assert cd1.measurement_types is not cd.measurement_types
    assert cd1.measurement_types == cd.measurement_types