import type { Slide, TurningMode } from '../types/slides';
export declare const isTurningMode: (value: unknown) => value is TurningMode;
/** One mode for every slide, or a per-slide list / index map. */
export type ImportTurningModeInput = TurningMode | Array<TurningMode | null | undefined> | Record<number, TurningMode>;
export type ImportTransitionOptions = {
    turningMode?: ImportTurningModeInput;
    /** Used when a slide has no file transition and no per-slide override. */
    defaultTurningMode?: TurningMode;
};
export type AppliedImportTransitions = {
    slides: Slide[];
    /** Set when every imported slide received the same explicit override. */
    uniformMode?: TurningMode;
};
/**
 * Accept a single mode, an index-aligned array, or a 0- or 1-based index map.
 */
export declare const parseImportTurningMode: (value: unknown) => ImportTurningModeInput | undefined;
export declare const applyImportTransitions: (slides: Slide[], options?: ImportTransitionOptions) => AppliedImportTransitions;