Interface AstRule

interface AstRule {
    chi: (AstDeclaration | AstRuleList | AstComment)[];
    loc?: Location;
    optimized?: null | OptimizedSelector;
    parent?: AstRuleList;
    raw?: null | RawSelectorTokens;
    sel: string;
    tokens?: Token[];
    typ: RuleNodeType;
    validSyntax?: boolean;
}