export interface FileResult {
    content: string;
    lastModified: number;
}
export declare class FileCache {
    private cache;
    constructor(maxSize?: number);
    /**
     * Check if file exists and return file info
     * @param filepath Path to the file
     * @returns FileResult or null if file doesn't exist
     */
    getFile(filepath: string): Promise<FileResult | null>;
}
export declare const fileCache: FileCache;