Forecasting Ibor Curve Issuer

Key Forecasting Ibor Curve Issuer in Model[BMA Swap] refers to the Issuer that identifies the yield curve to be used for calculating the forward ibor rates associated with the ibor leg.
If left unspecified, the riskless yield curve used for discounting is being deployed for ibor rate forecasting as well.
Expects an object of type Issuer.
See also notes in Model[BMA Swap]