import type { CompositionType } from '../composition';
import type { ElementSymbol } from '../element';
import type { FileLoadData } from '../io/types';
import type { Matrix3x3, Vec3 } from '../math';
import type { CameraProjection } from '../settings';
import type { Pbc } from './pbc';
export { default as Arrow } from './Arrow.svelte';
export * from './atom-properties';
export { default as AtomLegend } from './AtomLegend.svelte';
export * from './bonding';
export { default as CanvasTooltip } from './CanvasTooltip.svelte';
export { default as Cylinder } from './Cylinder.svelte';
export { default as Lattice } from './Lattice.svelte';
export * from './camera-fit';
export * from './density';
export * from './measure';
export * from './material';
export { StructureSession, type StructureSessionInputs } from './session.svelte';
export * from './pbc';
export * from './polyhedra';
export * from './export';
export * from './site';
export { default as Structure } from './Structure.svelte';
export { default as StructureCarousel } from './StructureCarousel.svelte';
export type StructureCarouselItem = {
    id: string;
    label: string;
    subtitle?: string;
    structure: AnyStructure;
};
export { default as StructureControls } from './StructureControls.svelte';
export { default as StructureEditToolbar } from './StructureEditToolbar.svelte';
export { default as StructureExportPane } from './StructureExportPane.svelte';
export { default as StructureInfoPane } from './StructureInfoPane.svelte';
export { default as StructureScene } from './StructureScene.svelte';
export { default as StructureViewport } from './StructureViewport.svelte';
export { default as TrajectoryLines } from './TrajectoryLines.svelte';
export * from './trajectory-lines';
export * from './supercell';
export * from './validation';
export type MeasureMode = `distance` | `angle` | `dihedral` | `edit-bonds` | `edit-atoms`;
export type BondEditMode = `add` | `delete`;
export type StructureDisplayMode = `structure` | `slice`;
export type StructurePane = `controls` | `info` | `export`;
export type StructureView = {
    label?: string;
    projection?: CameraProjection;
    direction?: Vec3;
};
export declare const DEFAULT_STRUCTURE_VIEWS: StructureView[];
export type Species = {
    element: ElementSymbol;
    occu: number;
    oxidation_state: number;
};
export type Site = {
    species: Species[];
    abc: Vec3;
    xyz: Vec3;
    label: string;
    properties: Record<string, unknown>;
};
export type LatticeParams = Record<`a` | `b` | `c` | `alpha` | `beta` | `gamma`, number>;
export type LatticeType = {
    matrix: Matrix3x3;
    pbc: Pbc;
    volume: number;
} & LatticeParams;
export type Molecule = {
    sites: Site[];
    charge?: number;
    id?: string;
    properties?: StructureProperties;
};
export type Crystal = Molecule & {
    lattice: LatticeType;
};
export type AnyStructure = Crystal | Molecule;
export type BondOrder = 1 | 1.5 | 2 | 3 | `aromatic`;
export type StructureBond = {
    site_idx_1: number;
    site_idx_2: number;
    order: BondOrder;
    cell_shift?: Vec3;
};
type StructureProperties = Record<string, unknown> & {
    bonds?: StructureBond[];
};
export type BondPair = {
    pos_1: Vec3;
    pos_2: Vec3;
    site_idx_1: number;
    site_idx_2: number;
    bond_length: number;
    bond_order?: BondOrder;
    cell_shift?: Vec3;
};
export type { PerceivedBond, PerceptionOptions } from './bond-order-perception';
export { compose_perceived_bonds, perceive_bond_orders, } from './bond-order-perception';
export declare const atomic_radii: CompositionType;
export declare function get_center_of_mass(structure: AnyStructure): Vec3;
export declare const is_vector_key: (key: string) => boolean;
export declare const RESET_VIEW_TITLE = "Reset view (r, or double-click)";
export declare const VECTOR_PALETTE: readonly ["#e74c3c", "#3498db", "#2ecc71", "#f39c12", "#9b59b6", "#1abc9c"];
export declare const vector_display_defaults: (key: string) => {
    scale: number;
    shaft_radius: number;
    arrow_head_radius: number;
    arrow_head_length: number;
} | {
    scale: null;
    shaft_radius: number;
    arrow_head_radius: number;
    arrow_head_length: number;
};
export declare const default_vector_configs: (keys: string[]) => {
    [k: string]: {
        visible: boolean;
        color: "#e74c3c" | "#3498db" | "#2ecc71" | "#f39c12" | "#9b59b6" | "#1abc9c" | null;
        scale: number | null;
    };
};
export declare function get_all_site_vectors(site: Site, ordered?: boolean): {
    vec: Vec3;
    key: string;
}[];
export declare function get_structure_vector_keys(structure: AnyStructure): string[];
export interface StructureHandlerData extends FileLoadData {
    structure?: AnyStructure;
    file_size?: number;
    total_atoms?: number;
    error_msg?: string;
    fullscreen?: boolean;
    camera_position?: Vec3;
    camera_target?: Vec3;
    camera_zoom?: number;
    camera_has_moved?: boolean;
}