import type { IEditor } from 'roosterjs-content-model-types';
/**
 * Set image box shadow for all selected images at selection.
 * @param editor The editor instance
 * @param boxShadow The image box boxShadow
 * @param margin The image margin for all sides (eg. "4px"), null to remove margin
 */
export declare function setImageBoxShadow(editor: IEditor, boxShadow: string, margin?: string | null): void;