Fixed types used in getDescriptorList.
Fixed types used in getDescriptorList.

arothian/ivy-plugin,burghduffkc/ivy-plugin,arothian/ivy-plugin,anastasiyam/ivy-plugin,opencloud/ivy-plugin,jenkinsci/ivy-plugin,opencloud/ivy-plugin,burghduffkc/ivy-plugin,anastasiyam/ivy-plugin,jenkinsci/ivy-plugin