import type { Vec2 } from '../math';
import type { SunburstNode } from '../plot/core/types';
export declare const CRYSTAL_SYSTEM_RANGES: Record<CrystalSystem, Vec2>;
export declare const CRYSTAL_SYSTEM_COLORS: Record<CrystalSystem, string>;
export declare const CRYSTAL_SYSTEMS: readonly ["triclinic", "monoclinic", "orthorhombic", "tetragonal", "trigonal", "hexagonal", "cubic"];
export type CrystalSystem = (typeof CRYSTAL_SYSTEMS)[number];
export declare function spacegroup_num_to_crystal_sys(spacegroup: number): CrystalSystem | null;
export declare function spacegroup_to_crystal_sys(spacegroup: number | string): CrystalSystem | null;
export declare const RHOMBOHEDRAL_SPACEGROUPS: readonly number[];
export type LatticeSystem = Exclude<CrystalSystem, `trigonal`> | `rhombohedral`;
export declare function spacegroup_num_to_lattice_system(spacegroup: number): LatticeSystem | null;
export declare function normalize_spacegroup(spacegroup: number | string): number | null;
export declare const SPACEGROUP_SYMBOL_TO_NUM: Record<string, number>;
export declare const SPACEGROUP_NUM_TO_SYMBOL: Record<number, string>;
export interface SpacegroupSunburstMetadata {
    spacegroup: number;
    crystal_system: CrystalSystem;
    [key: string]: unknown;
}
export declare function spacegroup_sunburst_data(spacegroups: readonly (number | string)[]): SunburstNode<SpacegroupSunburstMetadata>[];