import type { ChemicalElement, ElementCategory } from './element/types';
import type { Vec3 } from './math';
import type { SymbolType } from 'd3-shape';
import * as d3_symbols from 'd3-shape';
export type D3Symbol = keyof typeof d3_symbols & `symbol${Capitalize<string>}`;
export type D3SymbolName = Exclude<D3Symbol extends `symbol${infer Name}` ? Name : never, ``>;
export declare const symbol_names: D3SymbolName[];
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 DEFAULT_FMT: [string, string];
export declare const FRACTION_GLYPHS: readonly (readonly [number, string])[];
export declare const format_num: (num: number, fmt?: string | number) => string;
export declare const format_vec3: (vec: Readonly<Vec3>, fmt_spec?: string) => string;
export declare const format_bytes: (bytes?: number) => string;
export declare function format_fractional(value: number): string;
export declare function parse_si_float<T extends string | number | null | undefined>(value: T): T | number | string;
export declare const CATEGORY_COUNTS: Record<ElementCategory, number>;
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 ELEM_SYMBOLS: readonly ["H", "He", "Li", "Be", "B", "C", "N", "O", "F", "Ne", "Na", "Mg", "Al", "Si", "P", "S", "Cl", "Ar", "K", "Ca", "Sc", "Ti", "V", "Cr", "Mn", "Fe", "Co", "Ni", "Cu", "Zn", "Ga", "Ge", "As", "Se", "Br", "Kr", "Rb", "Sr", "Y", "Zr", "Nb", "Mo", "Tc", "Ru", "Rh", "Pd", "Ag", "Cd", "In", "Sn", "Sb", "Te", "I", "Xe", "Cs", "Ba", "La", "Ce", "Pr", "Nd", "Pm", "Sm", "Eu", "Gd", "Tb", "Dy", "Ho", "Er", "Tm", "Yb", "Lu", "Hf", "Ta", "W", "Re", "Os", "Ir", "Pt", "Au", "Hg", "Tl", "Pb", "Bi", "Po", "At", "Rn", "Fr", "Ra", "Ac", "Th", "Pa", "U", "Np", "Pu", "Am", "Cm", "Bk", "Cf", "Es", "Fm", "Md", "No", "Lr", "Rf", "Db", "Sg", "Bh", "Hs", "Mt", "Ds", "Rg", "Cn", "Nh", "Fl", "Mc", "Lv", "Ts", "Og"];
export declare const SUPERSCRIPT_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";
    readonly '+': "⁺";
    readonly '-': "⁻";
};
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 trajectory_property_config: Record<string, {
    label: string;
    unit: string;
}>;