/**
 * Based on CSS Tricks tutorial.
 * @see https://css-tricks.com/how-to-get-all-custom-properties-on-a-page-in-javascript/
 */
interface getLocalCssStyleRulesProps {
    cssRuleType?: "CSSStyleRule";
    selectorText?: string;
}
interface getLocalCssStyleRulePropertiesProps extends getLocalCssStyleRulesProps {
    propertyType?: "all" | "normal" | "custom";
}
interface getCustomPropertiesProps extends getLocalCssStyleRulesProps {
    filterName?: (name: string) => boolean;
    removeDashPrefix?: boolean;
    returnObject?: boolean;
}
export default class CssCustomProperties {
    getterDefaultProps: getCustomPropertiesProps;
    customprops: {};
    constructor(props?: getCustomPropertiesProps);
    customProperties: (props?: getCustomPropertiesProps) => [string, string][] | Record<string, string>;
    static listLocalStylesheets: () => CSSStyleSheet[];
    static listLocalCssRules: () => CSSRule[];
    static listLocalCssStyleRules: (filter?: getLocalCssStyleRulesProps) => CSSStyleRule[];
    static listLocalCssStyleRuleProperties: (filter?: getLocalCssStyleRulePropertiesProps) => string[][];
    static listCustomProperties: (props?: getCustomPropertiesProps) => [string, string][] | Record<string, string>;
}
export {};