Static type error when using generic methods and Closures as parameters

import groovy.transform.CompileStatic
@CompileStatic
class Test {

    static class Inner {
        private String baz
        
        void setBaz(String b) {
            this.baz = b
        }
    }
    
    static <T> T fun(T t) {
        return t
    }
 
    static void main(String[] args) {
        Test.fun({ 1 }).resolveStrategy = Closure.DELEGATE_FIRST
        ((Closure)Test.fun({ 1 })).resolveStrategy = Closure.DELEGATE_FIRST
        Test.fun(new Test.Inner()).baz = 'foo'
        Test.fun('String').contains('ing')
    }
}

Test.main()