The options for customizing the corner radius of checkout-related objects. Examples include the primary
button, the name text fields and the sections within the main area (if they have borders).
Refer to this complete [list](https://shopify.dev/docs/api/admin-graphql/latest/enums/CheckoutBrandingCornerRadius#fieldswith)
for objects with customizable corner radii.
The design system defines the corner radius pixel size for each option. Modify the defaults by setting the
[designSystem.cornerRadius](https://shopify.dev/docs/api/admin-graphql/latest/input-objects/CheckoutBrandingDesignSystemInput#field-checkoutbrandingdesignsysteminput-cornerradius)
input fields.