export declare const is_trajectory_filename: (filename: string) => boolean;
export declare const xyz_ext_hint: (filename: string | undefined) => boolean | null;
export declare const indexed_trajectory_format: (filename: string) => `ase` | `xyz`;
export declare const is_indexable_trajectory_filename: (filename: string) => boolean;
export declare const FORMAT_PATTERNS: {
    readonly ase: (data: unknown, filename?: string) => boolean;
    readonly hdf5: (data: unknown, filename?: string) => boolean;
    readonly vasp: (data: string, filename?: string) => boolean;
    readonly vasprun: (data: string, filename?: string) => boolean;
    readonly outcar: (data: string, filename?: string) => boolean;
    readonly lammpstrj: (data: string, filename?: string) => boolean;
};
export declare function is_trajectory_file(filename: string, content?: string): boolean;