import { LitElement, PropertyValues } from "lit";
export declare class ThemeProviderComponent extends LitElement {
    /**
     * The default theme to use for components on the page
     */
    defaultTheme: string;
    /**
     * The selector to use to apply theme classes
     */
    selector: string;
    backgroundColorDark: string;
    backgroundColorLight: string;
    isDark: boolean;
    protected render(): unknown;
    static get styles(): import("lit").CSSResultGroup[];
    protected firstUpdated(changedProperties: PropertyValues<this>): void;
    private _onThemeChange;
}