code: public void setInitialRequestNumber(int initialRequestNumber)
      {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.entry(this, tc, "setInitialRequestNumber", Integer.valueOf(initialRequestNumber));
          this.requestNumber = initialRequestNumber;
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.exit(this, tc, "setInitialRequestNumber");
      }
docs: This method will set the initial request number for this conversation.
  
  @param initialRequestNumber