import type { OptimadeStructure } from '../api/optimade';
import type { Vec3 } from '../math';
import * as math from '../math';
import type { AnyStructure, Crystal, Pbc, Site } from './';
export { is_structure_file } from './format-detect';
export declare const parse_poscar: (content: string) => Crystal | null;
export declare const parse_xyz: (content: string) => AnyStructure | null;
export declare const parse_cif: (content: string) => Crystal | null;
export declare const parse_phonopy_yaml: (content: string) => Crystal | null;
type StructureLike = Omit<AnyStructure, `sites` | `lattice`> & {
    sites: (Omit<Site, `abc` | `xyz`> & {
        abc?: Vec3;
        xyz?: Vec3;
    })[];
    lattice?: {
        matrix: math.Matrix3x3;
        pbc?: unknown;
    };
};
export declare function is_structure_like(obj: unknown): obj is StructureLike;
export declare function structure_from_json(raw: StructureLike, { wrap }?: {
    wrap?: boolean;
}): AnyStructure;
export declare function normalize_fractional_coords<T extends AnyStructure>(structure: T, pbc?: Pbc | undefined): T;
export declare function parse_structure_file(content: string, filename?: string): AnyStructure;
export declare function optimade_structure_from_raw(raw: unknown): OptimadeStructure | null;
export declare function optimade_to_structure(optimade: OptimadeStructure): AnyStructure;
type StructureKind = `crystal` | `molecule` | `unknown`;
export declare const detect_structure_type: (filename: string, content: string) => StructureKind;