import type { Root } from 'mdast';
export declare class MarkdownCache {
    private static processor;
    private contentCache;
    private astCache;
    private headingsCache;
    private linksCache;
    getContent(filePath: string): Promise<string>;
    getAST(filePath: string): Promise<Root>;
    getHeadings(filePath: string): Promise<string[]>;
    getLinks(filePath: string): Promise<string[]>;
    private extractHeadings;
    private extractLinks;
    clear(): void;
    getStats(): {
        cachedFiles: number;
        cacheSize: number;
    };
}
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