import type { WebGLContextManager } from "../../webgl/context-manager";
import type { SunburstChart } from "./sunburst";
/**
 * Resolve the `(centerX, centerY)` of the facet that owns `nodeId`.
 * Walks the ancestor chain and matches against each facet's
 * `drillRoot`; returns `chart._centerX/_centerY` in non-faceted mode
 * or as a defensive fallback. Used by every chrome path that needs to
 * place geometry around an arc — labels, hover highlight, hover
 * tooltip, pinned tooltip — so all four agree on which facet owns the
 * node. The chart-wide `_centerX/_centerY` fields are
 * `layoutFacetedSunburst`'s legacy first-facet publication and are
 * not safe for these calls.
 */
export declare function facetCenterForNode(chart: SunburstChart, nodeId: number): {
    centerX: number;
    centerY: number;
};
/**
 * Full-frame render: layout → WebGL arcs → chrome overlay.
 */
export declare function renderSunburstFrame(chart: SunburstChart, glManager: WebGLContextManager): void;
export declare function renderSunburstChromeOverlay(chart: SunburstChart): void;