import { Vec3 } from "./quaternion.js";
export declare const getgravconst: (whichconst: string, satrec: any) => void;
export declare type SatRV = {
    r: Vec3;
    v: Vec3;
};
export declare const sgp4: (satrec: any, tsince: number) => SatRV | undefined;
export declare const sgp4init: (whichconst: string, opsmode: string, satn: string, epoch: number, xbstar: number, xndot: number, xnddot: number, xecco: number, xargpo: number, xinclo: number, xmo: number, xno_kozai: number, xnodeo: number, satrec: any) => any;
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