import { EdgeMapOptions } from './getEdgeDisplacementMap';
export type EdgeFilterOptions = EdgeMapOptions & {
    /** tw-glass style strength: 20 → displacement of 10% of element size */
    strength: number;
    /** 0 = single-pass filter; > 0 enables the 3-pass RGB split (1 ≈ tw-glass default ratios) */
    chromaticAberration: number;
};
/**
 * Builds a displacement filter declared in objectBoundingBox units, so a single
 * filter works for elements of any size — displacement scales with the element.
 */
export declare function buildEdgeFilterXML(filterId: string, options: EdgeFilterOptions): string;