import type { ObservedStar, SkyFrame } from "../types.js";
import { type ProjectedPoint } from "./projection.js";
import type { CanvasSize, CanvasSkyOptions } from "./types.js";
export interface RenderedStarPoint {
    readonly star: ObservedStar;
    readonly point: ProjectedPoint;
}
export declare function resizeCanvasBackingStore(canvas: HTMLCanvasElement, size: CanvasSize): void;
export declare function renderSkyFrame(context: CanvasRenderingContext2D, frame: SkyFrame, size: CanvasSize, options: CanvasSkyOptions): readonly RenderedStarPoint[];
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