/** Find elements by ID - first try data-source-location, fallback to data-visual-selector-id */
export declare function findElementsById(id: string | null): Element[];
/**
 * Update element classes by visual selector ID.
 * Uses setAttribute instead of className to support both HTML and SVG elements.
 */
export declare function updateElementClasses(elements: Element[], classes: string): void;
//# sourceMappingURL=utils.d.ts.map