Changes in version 2.1.0 (2025-10-13)                  

  - SVboundparametersM() have been removed

  - Upper SV bounds have been introduced for all causal estimands

  - An alternative SV bound for the causal risk difference in the
    subpopulation

  - sharpbounds() is added to calculate sharp bounds for all estimands

  - SVboundsharp() will be deprecated and is replaced by
    checksharpSVbound() which can check sharpness for all SV bounds

                 Changes in version 2.0.0 (2024-03-27)                  

  - SVboundparametersM() will be deprecated and is replaced by
    sensitivityparametersM()

  - AFbound() and SVbound() have updated outputs giving bounds for the
    causal estimand

  - GAFbound() is added to calculate the GAF bounds

  - CAFbound() is added to calculate the CAF bounds

  - AFbound() is updated according to new theoretical results