import { Settings } from 'graphile-migrate';
import { CompareMigrationHashesErrorCallback, MigrationRecord } from './types';
/**
 * Finds path to `migrations` folder, based on passed Settings.
 * 'graphile-migrate' package parses all settings into internal ParsedSettings interface.
 * Settings Parser function is not exported, logic to determine path to folder was copied from the library source code.
 * Source, function `parseSettings`: https://github.com/graphile/migrate/blob/main/src/settings.ts#L172
 * @param settings - migration configuration object.
 * @returns string representing path to `migrations` directory.
 */
export declare const getMigrationsPath: (settings: Settings) => string;
export declare function getFileMigrationRecords(migrationsDirectory: string, errorCallback: CompareMigrationHashesErrorCallback): Promise<MigrationRecord[]>;
export declare function getMigrationHistoryRecords(connectionString: string | undefined | null, _errorCallback: CompareMigrationHashesErrorCallback): Promise<MigrationRecord[]>;
//# sourceMappingURL=compare-migration-hashes-helpers.d.ts.map