import type { EquatorialCoordinate } from "../types.js";
export type Vector3 = readonly [x: number, y: number, z: number];
export type Matrix3 = readonly [Vector3, Vector3, Vector3];
export declare function equatorialToVector(coordinate: EquatorialCoordinate): Vector3;
export declare function vectorToEquatorial(vector: Vector3): EquatorialCoordinate;
export declare function multiplyMatrixVector(matrix: Matrix3, vector: Vector3): Vector3;
export declare function multiplyMatrices(left: Matrix3, right: Matrix3): Matrix3;
export declare function rotationX(angle: number): Matrix3;
export declare function rotationZ(angle: number): Matrix3;
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