import { type ComputedStyleReader } from "./style-capture";
import type { Styles } from "./styles";
type StyleObserverModule = typeof import("style-observer");
export type StyleObserverLoader = () => Promise<StyleObserverModule>;
export type StyleChangeHandler = (styles: Styles) => void;
export declare class EmbedStyleObserver {
    private readonly element;
    private readonly loadModule;
    private readonly readComputedStyle?;
    private readonly throttleMs;
    private disconnected;
    private instance?;
    private readonly properties;
    constructor(element: Element, properties?: readonly (keyof Styles)[], loadModule?: StyleObserverLoader, readComputedStyle?: ComputedStyleReader | undefined, throttleMs?: number);
    observe(onChange: StyleChangeHandler): Promise<void>;
    disconnect(): void;
    private capture;
    private observerOptions;
    private getCssPropertyNames;
}
export {};