[Question] how to customize the replace range when completion item was selected?

[KamiC6238]

Description

follow the image, the 'next' completion item actually is '->next', so when i pick the 'next' completion, it would be the second image

and i try to use range: { insert: range, replace: range }

but not working, can anyone tell me how to cusomize the replace position to resolve that problem like the follow expected image?