Version Used: 16.7-preview3.1

Steps to Reproduce:

1. In class, create method with CancellationToken parameter and name cancellationToken
2. Next, create another method also with CancellationToken, observe suggested name
   
   

Expected Behavior:
IDE should suggest cancellationToken parameter name
IDE should not add suffix number to parameter name. suffix should be added only if we are using same type in same method.

Actual Behavior:
IDE suggests cancellationToken1 parameter name.