import { type GradientStop } from "./gradient";
export type { GradientStop } from "./gradient";
export interface Theme {
    fontFamily: string;
    tickColor: string;
    labelColor: string;
    axisLineColor: string;
    gridlineColor: string;
    backgroundColor: string;
    gradientStops: GradientStop[];
    legendText: string;
    legendBorder: string;
    tooltipBg: string;
    tooltipText: string;
    tooltipBorder: string;
    /**
     * Fill opacity for area glyphs. `--psp-charts--area--opacity`.
     */
    areaOpacity: number;
    /**
     * Pixel gap between heatmap cells. Controls the inset applied in the
     * heatmap vertex shader so neighbouring cells remain visually
     * distinguishable. `--psp-charts--heatmap-gap--px`.
     */
    heatmapGapPx: number;
    /**
     * Pixel gap between sunburst arcs (both radial — between ring
     * levels — and angular — between siblings). Works the same way as
     * `heatmapGapPx`: a symmetric inset in the vertex shader so the
     * transparent background shows through as a border.
     * `--psp-charts--sunburst-gap--px`.
     */
    sunburstGapPx: number;
    /**
     * Discrete series palette read from `--psp-charts--series-N--color`
     * (N = 1, 2, …). Empty when no palette is defined — callers should
     * fall back to `gradientStops` sampling in that case.
     */
    seriesPalette: [number, number, number][];
}
/**
 * Plain map of CSS variable name → resolved value. Produced on the
 * main thread via `snapshotThemeVars` and shipped to the worker
 * Renderer (which has no DOM and can't call `getComputedStyle`).
 */
export type ThemeSnapshot = Record<string, string>;
/**
 * Decode a `ThemeSnapshot` into the parsed `Theme` the renderer
 * consumes. Workers reach this from a serialized snapshot; host code
 * snapshots from the live DOM via `theme-snapshot.ts` and feeds it
 * through here.
 */
export declare function resolveThemeFromVars(vars: ThemeSnapshot): Theme;