multi method and Static groovy(TypeChecked, CompileStatic)

test.groovy

class Sample {

    def test(String strParam) {
        println "String = $strParam"
    }

    def test(Integer intParam) {
        println "int = $intParam"
    }
}

@groovy.transform.TypeChecked
def foo(Object param1, Object param2) {
    def sample = new Sample()
    sample.test(param1) // [Static type checking] - Cannot find matching method Sample#test(java.lang.Object). Please check if the declared type is right and if the method exists.
    sample.test(param2) // [Static type checking] - Cannot find matching method Sample#test(java.lang.Object). Please check if the declared type is right and if the method exists.
}

foo("test2", 2)