import { CSN } from "cds-internal-tool";
import { EntitySchema } from "typeorm";
/**
 * build DDL statements
 *
 * @param current
 * @param previous
 * @returns
 */
export declare function build_migration_scripts_from_csn(current: CSN, previous?: CSN): Promise<import("typeorm/driver/Query").Query[]>;
/**
 * build DDL statements
 *
 * carefully, many hack in this function
 *
 * @ignore
 * @internal
 * @private
 * @param current_entities
 * @param previous_entities
 * @returns
 */
export declare function build_migration_scripts_from_entities(current_entities: Array<EntitySchema>, previous_entities?: Array<EntitySchema>): Promise<import("typeorm/driver/Query").Query[]>;