declare type SSR = {
    data: string;
};
declare class RxUtils {
    LINK_ID: string;
    DOM_TARGET: HTMLHeadElement;
    SSR: SSR;
    sheet: Element;
    renderCount: number;
    nextRenderCount: number;
    sheetData: any[];
    cache: Map<string, string>;
    constructor(linkID: string, target?: HTMLElement);
    astish(val: string): {};
    compile(str: string[], defs: object): string;
    getSheet(): Element;
    stringify(data: string | object): string;
    hash(compiled: string | object, config: {
        global?: boolean;
        append?: boolean;
        keyframes?: boolean;
    }): string;
    parse(obj: object, selector: string): string;
    toHash(str: string): string;
    extractCss(): string;
    update(css: string, append: boolean): void;
}
export default RxUtils;