import type { ElementSymbol } from '../element';
import type { Vec3 } from '../math';
import type { Site } from './';
export declare const make_site: (element: ElementSymbol, abc: Vec3, xyz: Vec3, label: string, properties?: Record<string, unknown>, occu?: number) => Site;
export declare const is_image_site: (site: Site | undefined) => boolean;
export declare const get_image_source_idx: (site: Site | undefined, site_idx: number) => number;
export declare const get_orig_site_idx: (site: Site | undefined, site_idx: number) => number;