import type { ChemicalElement, ElementSymbol } from '../element';
import type { Vec2 } from '../math';
import type { Snippet } from 'svelte';
export { COLOR_OVERRIDE_KEY_SEPARATOR, make_color_override_key } from './shared';
export type AxisItem<T = Record<string, unknown>> = {
    label: string;
    key?: string;
    sort_value?: number;
    category?: string;
    data?: T;
};
export type CellContext = {
    x_item: AxisItem;
    y_item: AxisItem;
    x_idx: number;
    y_idx: number;
    value: number | string | null;
    bg_color: string | null;
};
export declare const ORDERING_LABELS: {
    readonly atomic_number: "Atomic Number";
    readonly mendeleev_number: "Pettifor Chemical Similarity";
    readonly alphabetical: "Alphabetical";
    readonly atomic_mass: "Atomic Mass";
    readonly electronegativity: "Pauling Electronegativity";
    readonly first_ionization: "Ionization Energy";
    readonly melting_point: "Melting Point";
    readonly atomic_radius: "Atomic Radius";
    readonly density: "Density";
    readonly n_valence: "Valence Electrons";
};
export type ElementAxisOrderingKey = keyof typeof ORDERING_LABELS;
export type ElementAxisOrdering = ElementAxisOrderingKey | ((a: ChemicalElement, b: ChemicalElement) => number);
export type NormalizeMode = `linear` | `log` | ((value: number, min: number, max: number) => number);
export type DomainMode = `auto` | `robust` | `fixed`;
export type LegendPosition = `right` | `bottom`;
export type SymmetricMode = boolean | `lower` | `upper`;
export type HeatmapTooltipProp = Snippet<[CellContext]> | boolean;
export type HeatmapSelection = {
    x_idx: number;
    y_idx: number;
};
export type HeatmapExportFormat = `csv` | `json`;
export type HeatmapBrushPayload = {
    x_range: Vec2;
    y_range: Vec2;
    cells: CellContext[];
};
export declare const ELEMENT_ORDERINGS: ElementAxisOrderingKey[];
export declare function matrix_to_rows(x_items: AxisItem[], y_items: AxisItem[], values: (number | string | null)[][] | Record<string, Record<string, number | string | null>>): Record<string, number | string | null>[];
export declare function rows_to_csv(rows: Record<string, number | string | null>[]): string;
export declare function elements_to_axis(symbols?: ElementSymbol[], ordering?: ElementAxisOrdering): AxisItem<ChemicalElement>[];
export { default as HeatmapMatrix } from './HeatmapMatrix.svelte';
export { default as HeatmapMatrixControls } from './HeatmapMatrixControls.svelte';