import { type OffscreenElement } from './OffscreenElement.js';
export declare class OffscreenCSSStyleDeclaration {
    /**
     * @private
     */
    private readonly _parent;
    constructor(parent: OffscreenElement);
    setProperty(property: string, value: string, priority?: 'important' | undefined | ''): void;
    removeProperty(property: string): void;
}