import type { ObservedStar } from "../types.js";
export type SkyProjection = "azimuthal-equidistant" | "stereographic" | "orthographic";
export interface ProjectedPoint {
    readonly x: number;
    readonly y: number;
    readonly visible: boolean;
}
export interface ProjectionOptions {
    readonly projection?: SkyProjection;
    readonly padding?: number;
    readonly rotationDegrees?: number;
    readonly zoom?: number;
}
export declare function projectObservedStar(star: ObservedStar, width: number, height: number, options?: ProjectionOptions | number): ProjectedPoint;
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