ICircuitBreakerPolicy
Defines properties and methods common to all circuit-breaker policies.
            
                
Gets the state of the underlying circuit.
            
Gets the last exception handled by the circuit-breaker.
            This will be null if no exceptions have been handled by the circuit-breaker since the circuit last closed.
void Isolate()
Isolates (opens) the circuit manually, and holds it in this state until a call to  Reset is made.
            
void Reset()
Closes the circuit, and resets any statistics controlling automated circuit-breaking.