// @experimentalDecorators: true declare function y(...args: any[]): any; type T = number; @y(1 as T, C) // <-- T should be resolved to the type alias, not the type parameter of the class; C should resolve to the class class C { @y(null as T) // <-- y should resolve to the function declaration, not the parameter; T should resolve to the type parameter of the class method(@y x, y) {} // <-- decorator y should be resolved at the class declaration, not the parameter. }