import type { SunburstNode } from '../plot/core/utils/hierarchy-layout';
interface ChemSysSunburstMetadata {
    chem_sys: string;
    arity: number;
    [key: string]: unknown;
}
export declare const arity_name: (arity: number) => string;
export declare function chem_sys_sunburst_data(entries: readonly string[]): SunburstNode<ChemSysSunburstMetadata>[];
export {};