Set these under components.Popconfirm in your token file, or pass them to ThemeScope to change one region of the page.
Component Tokens
Popconfirm's component tokens, with the values the default theme produces. Set one and it applies to every Popconfirm under the provider.
Global Tokens
The global tokens Popconfirm reads. Set one under components.Popconfirm to change it for Popconfirm only, or at the top level to change every component.