/**
 * Cache for storing processed content to avoid redundant processing
 */
export declare const contentCache: Map<string, string>;
/**
 * Adds content to the cache with size limitation
 * Removes oldest entry if cache size limit is reached
 *
 * @param key The cache key
 * @param value The processed content to store
 */
export declare const addToCache: (key: string, value: string) => void;
/**
 * Transforms citation references in the format [n] to markdown links
 *
 * @param rawContent The markdown content with citation references
 * @param length The number of citations
 * @returns The content with citations transformed to markdown links
 */
export declare const transformCitations: (rawContent: string, length?: number) => string;
/**
 * Preprocessing options for markdown content
 */
interface PreprocessOptions {
    citationsLength?: number;
    enableCustomFootnotes?: boolean;
    enableLatex?: boolean;
}
export declare const preprocessMarkdownContent: (str: string, { enableCustomFootnotes, enableLatex, citationsLength }?: PreprocessOptions) => string;
export {};