static boolean isKFunction(Method method) {
        try {
            return IS_KOTLIN_REFLECTION_PRESENT &&
                   IS_K_FUNCTION != null &&
                   isKotlinMethod(method) &&
                   (boolean) IS_K_FUNCTION.invoke(null, method);
        } catch (Exception e) {
            return false;
        }
    }
Returns true if a method can be represented by a Kotlin function.
core/src/main/java/com/linecorp/armeria/internal/server/annotation/KotlinUtil.java