TYPE_CSS: Set<
    | "StyleSheet"
    | "Rule"
    | "Atrule"
    | "SelectorList"
    | "Block"
    | "ComplexSelector"
    | "RelativeSelector"
    | "Combinator"
    | "TypeSelector"
    | "IdSelector"
    | "ClassSelector"
    | "AttributeSelector"
    | "PseudoElementSelector"
    | "PseudoClassSelector"
    | "Percentage"
    | "Nth"
    | "NestingSelector"
    | "Declaration",
> = ...

Set containing all of the AST node types of Svelte syntax related to CSS.