Forward decls.
Forward decls.

PeterJohnson/sweep-sdk,PeterJohnson/sweep-sdk,scanse/sweep-sdk,scanse/sweep-sdk,PeterJohnson/sweep-sdk,PeterJohnson/sweep-sdk,scanse/sweep-sdk,scanse/sweep-sdk,PeterJohnson/sweep-sdk,scanse/sweep-sdk,PeterJohnson/sweep-sdk,scanse/sweep-sdk,PeterJohnson/sweep-sdk,scanse/sweep-sdk