Declare that KSDeferred can be used in app extensions.
Declare that KSDeferred can be used in app extensions.

mluedke2/deferred,Trueey/deferred,briancroom/deferred,kseebaldt/deferred,zacclark/deferred,Trueey/deferred,Trueey/deferred,briancroom/deferred,briancroom/deferred,kseebaldt/deferred,zacclark/deferred,mluedke2/deferred,mluedke2/deferred,kseebaldt/deferred