public OutboundEnvelopeManagerImpl(GuidProxy guidProxy, OutboundEnvelopeContextFactory outboundEnvelopeContextFactory, IConcurrentDictionary <Guid, OutboundEnvelopeContext> activeEnvelopeContextsById)
 {
     this.guidProxy = guidProxy;
     this.outboundEnvelopeContextFactory = outboundEnvelopeContextFactory;
     this.activeEnvelopeContextsById     = activeEnvelopeContextsById;
 }
 public OutboundEnvelopeManagerImpl(GuidProxy guidProxy, OutboundEnvelopeContextFactory outboundEnvelopeContextFactory)
     : this(guidProxy,
            outboundEnvelopeContextFactory,
            new ConcurrentDictionary <Guid, OutboundEnvelopeContext>())
 {
 }