import type { MindMapData } from '../types';
import type { ParsedMindMapInput } from './input';
import type { MindMapPlugin } from '../plugins/types';
export type MindMapImportSource = 'markdown' | 'json';
export type MindMapImportOptions = Pick<ParsedMindMapInput, 'direction' | 'theme'>;
export type MindMapImportResult = ({
    ok: true;
    source: MindMapImportSource;
    data: MindMapData[];
} & MindMapImportOptions) | {
    ok: false;
    reason: 'empty' | 'invalid-json' | 'invalid-data';
};
export declare function isMindMapData(value: unknown): value is MindMapData;
export declare function validateMindMapData(value: unknown): MindMapData[] | null;
export declare function parseImportText(input: string, source: MindMapImportSource | 'auto', plugins?: MindMapPlugin[]): MindMapImportResult;