Interface AstKeyFrameRule

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