/**
 * @author @thkruz Theodore Kruczek
 * @license AGPL-3.0-or-later
 * @copyright (c) 2025 Kruczek Labs LLC
 *
 * Orbital Object ToolKit is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Affero General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * Orbital Object ToolKit is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License along with
 * Orbital Object ToolKit. If not, see <http://www.gnu.org/licenses/>.
 */
import { Propagator } from '../propagator/Propagator.js';
export declare class PropagatorPairs {
    private readonly posStep_;
    private readonly velStep_;
    constructor(posStep_: number, velStep_: number);
    private _high;
    private _low;
    set(index: number, high: Propagator, low: Propagator): void;
    get(index: number): [Propagator, Propagator];
    /**
     * Get the step size at the provided index.
     * @param index The index.
     * @returns The step size.
     */
    step(index: number): number;
}