Interface CSSCounterStyleRule

interface CSSCounterStyleRule {
    additiveSymbols: string;
    CHARSET_RULE: 2;
    COUNTER_STYLE_RULE: 11;
    cssText: string;
    fallback: string;
    FONT_FACE_RULE: 5;
    FONT_FEATURE_VALUES_RULE: 14;
    IMPORT_RULE: 3;
    KEYFRAME_RULE: 8;
    KEYFRAMES_RULE: 7;
    MEDIA_RULE: 4;
    name: string;
    NAMESPACE_RULE: 10;
    negative: string;
    pad: string;
    PAGE_RULE: 6;
    parentRule: CSSRule;
    parentStyleSheet: CSSStyleSheet;
    prefix: string;
    range: string;
    speakAs: string;
    STYLE_RULE: 1;
    suffix: string;
    SUPPORTS_RULE: 12;
    symbols: string;
    system: string;
    type: number;
}