Function useCSSOM

Returns {
    addRule: (sheet: CSSStyleSheet, rule: StyleRule) => number;
    createStyleSheet: () => null | CSSStyleSheet;
    getMatchingRules: (element: Element) => CSSRule[];
    refreshStyleSheets: () => void;
    removeRule: (sheet: CSSStyleSheet, index: number) => void;
    get state(): CSSOMState;
    subscribe(callback: (state: CSSOMState) => void): () => boolean;
}