You are reading the documentation for SDK v2, which is no longer the latest version. Switch to current
SetCartShippingRateInput
export type SetCartShippingRateInput = {
shippingRateInput?: InputMaybe<ShippingRateInputDraft>;
};export type SetCartShippingRateInput = {
shippingRateInput?: InputMaybe<ShippingRateInputDraft>;
};