import type { ReactNode } from 'react';
/**
 * One page of a step, so a move between them is a turn rather than a cut.
 *
 * - `side` is where the page sits in the flow: `ahead` arrives from and leaves
 *   to the right, `behind` the left, so the two cross as they swap.
 * - Both pages stand in the frame while the turn runs, so each fills it
 *   absolutely and the frame keeps the step's height.
 */
export declare function StepPage({ side, animateIn, children, }: {
    side: 'ahead' | 'behind';
    /** Off for the page the step opens on: there is nothing for it to turn from. */
    animateIn?: boolean;
    children: ReactNode;
}): import("react").JSX.Element;
//# sourceMappingURL=StepPage.d.ts.map