import type { Matrix3x3, Vec3 } from '../math';
import type { Crystal } from '../structure';
export declare const SLAB_POSITION_TOLERANCE = 0.01;
export declare const SLAB_LAYER_TOLERANCE = 0.1;
export declare const SLAB_DEFAULT_THICKNESS = 10;
export declare const SLAB_DEFAULT_VACUUM = 10;
export declare const MAX_SLAB_SITES = 50000;
export type OrientedBulk = {
    crystal: Crystal;
    transform: Matrix3x3;
    miller_indices: Vec3;
    d_hkl: number;
    normal: Vec3;
    in_plane_index: number;
};
export type SlabLayer = {
    site_idxs: number[];
    height: number;
    frac_c_start: number;
    gap_below: number;
    formula: string;
};
export type SlabTermination = {
    layer_idx: number;
    formula: string;
    gap: number;
    equivalent_layer_idxs: number[];
};
export type SlabOptions = {
    min_slab_thickness?: number;
    min_vacuum_thickness?: number;
    termination_idx?: number;
    center_slab?: boolean;
    reorient_lattice?: boolean;
    primitive_in_plane?: boolean;
    layer_tolerance?: number;
};
export type SlabInfo = {
    miller_indices: Vec3;
    transform: Matrix3x3;
    d_hkl: number;
    n_layers: number;
    n_repeats: number;
    layer_spacings: number[];
    min_layer_gap: number;
    slab_thickness: number;
    vacuum_thickness: number;
    surface_area: number;
    normal: Vec3;
    termination: SlabTermination;
    terminations: SlabTermination[];
};
export type Slab = Crystal & {
    slab_info: SlabInfo;
};