import type { PackageFile, PackageUpdate } from '../types';
/**
 * Check if a file path is a Dockerfile that we can handle
 */
export declare function isDockerfile(filePath: string): boolean;
/**
 * Parse a Dockerfile to extract image dependencies with versions
 */
export declare function parseDockerfile(filePath: string, content: string): Promise<PackageFile | null>;
/**
 * Fetch the latest version for a Docker image
 */
export declare function fetchLatestDockerImageVersion(imageName: string): Promise<string | null>;
/**
 * Update Dockerfile content with new image versions
 */
export declare function updateDockerfile(filePath: string, content: string, updates: PackageUpdate[]): Promise<string>;
/**
 * Generate file changes for Dockerfiles
 */
export declare function generateDockerfileUpdates(updates: PackageUpdate[]): Promise<Array<{ path: string, content: string, type: 'update' }>>;