This symbol is a type alias.
cirq.NoiseModel or a value that can be trivially converted into one.
NOISE_MODEL_LIKE = Union[ NoneType, ForwardRef('cirq.NoiseModel'), ForwardRef('cirq.SingleQubitGate') ]
None is a
NOISE_MODEL_LIKE. It will be replaced by the
A single qubit gate is a
NOISE_MODEL_LIKE. It will be wrapped inside of a