import type { AnyStructure } from '../structure';
import type { BondingStrategy } from '../structure/bonding';
export interface CoordinationSite {
    site_idx: number;
    element: string;
    coordination_num: number;
    neighbor_elements: string[];
}
export interface CoordinationData {
    sites: CoordinationSite[];
    cn_by_element: Map<string, number[]>;
    cn_histogram: Map<number, number>;
    cn_histogram_by_element: Map<string, Map<number, number>>;
}
export declare function calc_coordination_nums(structure: AnyStructure, strategy?: BondingStrategy): CoordinationData;