Cancellation on shopify

[omuni]

is it possible to cancel a particular item of a multi quantity/item order on shopify platform using rest api's or graphQl  queries?
if not, what are the alternatives to achieve similar outcome. 
use case :  end user(customer) want to cancel a particular item for an orders but not the whole order.

[Liam]

The refundCreate mutation has an input argument where you can specify `refundLineItems` to select the ID of the line item you want to refund - would this work for your use case?