I integrate Multisafepay in svelteKit and and try to create build but it throw error

[MuhammadRaheelFayyaz]

I used this code
import MSPClient from '@multisafepay/api-wrapper';
export const client = new MSPClient(API_KEY);
When I try yarn build it throw following error
TypeError: MSPClient is not a constructor
Also @multisafepay/api-wrappe not sport for test environment