swift3 - 目的の C コードを Swift3.0 に変換する必要があります。オンライン変換の試行中にエラーが発生します

Question

NSURL *contentURL = [[NSURL alloc] initWithString: @"http://en.wikipedia.org/wiki/Facebook"];

NSURL *imageURL = [NSURL URLWithString:@"http://upload.wikimedia.org/wikipedia/commons/thumb/9/95/Facebook_Headquarters_Menlo_Park.jpg/2880px-Facebook_Headquarters_Menlo_Park.jpg"];

button.shareContent = [[FBSDKShareLinkContent alloc]
                        initWithContentURL: contentURL
                              contentTitle: @"My Share Title"
                        contentDescription: @"Lorem ipsum dolor sit amet."
                                  imageURL: imageURL
                                 peopleIDs: @[@"1561082740838259"]
                                   placeID: @"166793820034304"
                                       ref: @"myRefId"];