/**
 * Fallback Markdown Handler
 *
 * Provides basic markdown loading and frontmatter extraction.
 * Note: @ameshkin/markdown-handler is available on npmjs (v0.1.7+),
 * but this fallback is kept for compatibility.
 */
export interface MarkdownResult {
    content: string;
    title: string;
    excerpt: string;
    metas: Record<string, unknown>;
}
export interface MarkdownHandlerOptions {
    excerptLength?: number;
    defaultThumbnail?: string;
}
export declare class MarkdownHandler {
    private options;
    constructor(options?: MarkdownHandlerOptions);
    loadMd(filePath: string): Promise<MarkdownResult>;
    private extractTitle;
    private generateExcerpt;
}
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