import type { TurningMode } from '../types/slides';
import type { ImportTurningModeInput } from './importTransition';
export type ImportApplyMode = 'replace' | 'append';
export interface ImportApplyOptions {
    /**
     * How to apply imported slides. Takes precedence over `cover`.
     * Default is `replace`.
     */
    mode?: ImportApplyMode;
    /**
     * Override imported slide transitions. A single mode applies to every slide;
     * an array or index map sets individual slides (missing entries keep the
     * file transition, or `defaultTurningMode` / Rise when the file has none).
     */
    turningMode?: ImportTurningModeInput;
    /** Fallback when a slide has no file transition and no per-slide override. */
    defaultTurningMode?: TurningMode;
    /**
     * Legacy alias: `true` replace, `false` append.
     * An empty deck (0 slides) is always replaced.
     */
    cover?: boolean;
    /**
     * When replacing a deck that already has more than one slide, ask first.
     * Default `true` for the editor UI; the controller should pass `false`.
     */
    confirm?: boolean;
}
export interface ImportApplyDecision {
    apply: ImportApplyMode;
    needsConfirm: boolean;
}
/**
 * UI / controller policy for PPTX and JSON import.
 *
 * - 0 slides (starter deleted) or 1 slide: replace immediately.
 * - 2+ slides: replace after confirm, unless `confirm: false`.
 * - `mode: 'append'` / `cover: false`: append, no confirm (still replace if empty).
 */
export declare function resolveImportApply(slideCount: number, options?: ImportApplyOptions): ImportApplyDecision;
export declare function normalizeImportApplyOptions(options?: boolean | ImportApplyOptions): ImportApplyOptions;