import { ExtensionInfo } from './writer';
export interface Module {
    path: string;
    requires: string[];
    version: string;
}
/**
 * Parse a .control file and extract its metadata.
 * https://www.postgresql.org/docs/current/extend-extensions.html
 */
export declare function parseControlFile(filePath: string, basePath: string): Module;
/**
 * Parse the pgpm.plan file to get the extension name.
 */
export declare const getExtensionName: (packageDir: string) => string;
/**
 * Get detailed information about an extension in the specified directory.
 */
export declare const getExtensionInfo: (packageDir: string) => ExtensionInfo;
/**
 * Get a list of extensions required by an extension from its control file.
 * Returns an empty array if the file doesn't exist or has no requires line.
 */
export declare const getInstalledExtensions: (controlFilePath: string) => string[];