import { ModuleMap } from './modules';
export interface ExtensionInfo {
    extname: string;
    packageDir: string;
    version: string;
    Makefile: string;
    controlFile: string;
    sqlFile: string;
}
/**
 * Get the list of available extensions, including predefined core extensions.
 */
export declare const getAvailableExtensions: (modules: ModuleMap) => string[];
/**
 * Parse the sqitch.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.
 */
export declare const getInstalledExtensions: (controlFilePath: string) => string[];
/**
 * Write the Makefile for the extension.
 */
export declare const writeExtensionMakefile: (outputPath: string, extname: string, version: string) => void;
/**
 * Write the control file for the extension.
 */
export declare const writeExtensionControlFile: (outputPath: string, extname: string, extensions: string[], version: string) => void;
/**
 * Write control and Makefile for the extension with given data.
 */
export declare const writeExtensions: (packageDir: string, extensions: string[]) => Promise<void>;