export type Section = 'memories' | 'patterns' | 'decisions' | 'entities' | 'rules';
export interface BrainEntity {
    id: string;
    type?: string;
    created?: string;
    importance?: number;
    content?: string;
    [k: string]: unknown;
}
export interface ExportResult {
    path: string;
    sizeBytes: number;
    sectionCounts: Record<Section, number>;
}
export interface ImportResult {
    added: number;
    modified: number;
    skipped: number;
    errors: string[];
}
export interface DiffResult {
    willAdd: string[];
    willModify: string[];
    willSkip: string[];
}
export declare class MarkdownExport {
    /** Export selected brain sections to a single .shadow-brain.md file. */
    exportBrain(project: string, opts?: {
        sections?: Section[];
        outPath?: string;
    }): Promise<ExportResult>;
    /** Parse a .shadow-brain.md and write entities back into the brain store. */
    importBrain(mdPath: string, opts?: {
        merge?: 'replace' | 'addNew' | 'overwrite';
    }): Promise<ImportResult>;
    /** Preview what an import will do, without writing anything. */
    diff(mdPath: string): Promise<DiffResult>;
    private renderMarkdown;
    private parseMarkdown;
    private parseEntities;
    private loadSection;
    private readEntity;
    private writeEntity;
    private clearSection;
}
export declare function getMarkdownExport(): MarkdownExport;
export declare function resetMarkdownExportForTests(): void;
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