import { Logger } from 'log4js';
import { MgrationFileMetadata, Migration } from '../types/migration';
import { PoolClient } from '../types/pool-client';
import { HistoryTableService } from './history-table.service';
export declare class MigrateService {
    private readonly options;
    protected logger: Logger;
    protected Pool: any;
    protected client: any;
    protected historyTableService: HistoryTableService;
    constructor(options: {
        dryRun?: boolean;
        historyTable?: string;
        historySchema?: string;
        databaseUrl: string;
        locations: string[];
        sqlMigrationSuffixes: string[];
        sqlMigrationSeparator: string;
        sqlMigrationStatementSeparator: string;
    });
    getHistoryTableService(): HistoryTableService;
    destroy(): void;
    getClient(): Promise<any>;
    migrate(): Promise<void>;
    private getMigrations;
    private loopForRepeatableMigrations;
    private loopForVersionedMigrations;
    loadMigrationFile(filepath: string): Promise<string>;
    execSql({ client, query, placeholders, }: {
        client?: PoolClient;
        query: string;
        migration?: Migration;
        placeholders: Record<string, string>;
    }): Promise<any>;
    execSqlForStatements<T = any>({ migration, beforeEachStatement, afterEachStatement, errorEachStatement, placeholders, }: {
        migration: Migration;
        beforeEachStatement?: (client: PoolClient) => Promise<void>;
        afterEachStatement?: (client: PoolClient) => Promise<void>;
        errorEachStatement?: (client: PoolClient) => Promise<void>;
        placeholders: Record<string, any>;
    }): Promise<T[]>;
    getFiles(): Promise<MgrationFileMetadata[]>;
}