Variable CalloutToneConst

CalloutTone: {
    custom: "custom";
    error: "error";
    info: "info";
    note: "note";
    success: "success";
    warning: "warning";
} = ...

Every callout tone. custom pairs with the callout's own icon and color.

const aside = callout(CalloutTone.warning, 'Spoilers ahead.')