Retrieves an ISaga<TAuthenticationToken> of type TSaga . 
- Template Parameters
 - 
  
    | TSaga | The Type of the ISaga<TAuthenticationToken>. | 
  
   
- Parameters
 - 
  
    | sagaId | The identifier of the ISaga<TAuthenticationToken> to retrieve. | 
    | events | A collection of IEvent<TAuthenticationToken> to replay on the retrieved ISaga<TAuthenticationToken>. If null, the IEventStore<TAuthenticationToken> will be used to retrieve a list of IEvent<TAuthenticationToken> for you.  | 
  
   
Implemented in Cqrs.Domain.SagaRepository< TAuthenticationToken >.
- Type Constraints
 - 
| TSaga |  : | ISaga<TAuthenticationToken> |   |