import type { ChemicalElement } from './element/types';
import type { Vec3 } from './math';
import type { SymbolType } from 'd3-shape';
import * as d3_symbols from 'd3-shape';
export { ELEM_SYMBOLS } from './element/types';
export declare const DEFAULT_FMT: [string, string];
export declare const format_num: (num: number, fmt?: string | number) => string;
type D3SymbolExport = Extract<keyof typeof d3_symbols, `symbol${Capitalize<string>}`>;
export type D3SymbolName = Exclude<D3SymbolExport extends `symbol${infer Name}` ? Name : never, ``>;
export declare const symbol_names: ("Asterisk" | "Circle" | "Cross" | "Diamond" | "Diamond2" | "Plus" | "Square" | "Square2" | "Star" | "Triangle" | "Triangle2" | "Wye" | "X" | "Times")[];
export declare const symbol_map: Partial<Record<D3SymbolName, SymbolType>>;
export declare function format_value(value: number, formatter?: string): string;
export declare const ELEM_PROPERTY_LABELS: Partial<Record<keyof ChemicalElement, [string, string | null]>>;
export declare const ELEM_HEATMAP_KEYS: (keyof ChemicalElement)[];
export declare const ELEM_HEATMAP_LABELS: Partial<Record<string, keyof ChemicalElement>>;
export declare const format_value_or_num: (value: number, fmt?: string) => string;
export declare const format_tick_values: (values: readonly number[], formatter?: string) => string[];
export declare const format_vec3: (vec: Readonly<Vec3>, fmt_spec?: string) => string;
export declare const plural: (count: number, noun: string) => string;
export declare function format_fractional(value: number): string;
export declare const ELEMENT_CATEGORIES: readonly ["actinide", "alkali metal", "alkaline earth metal", "diatomic nonmetal", "lanthanide", "metalloid", "noble gas", "polyatomic nonmetal", "post-transition metal", "transition metal"];
export declare const SUBSCRIPT_MAP: {
    readonly '0': "₀";
    readonly '1': "₁";
    readonly '2': "₂";
    readonly '3': "₃";
    readonly '4': "₄";
    readonly '5': "₅";
    readonly '6': "₆";
    readonly '7': "₇";
    readonly '8': "₈";
    readonly '9': "₉";
};
export declare const superscript_digits: (input: string) => string;
export declare const SCF_AXIS_GROUP = "eV (SCF)";
export interface TrajPropertyConfig {
    label: string;
    unit: string;
    axis_group?: string;
}
export declare const trajectory_property_config: Record<string, TrajPropertyConfig>;