import type { DataSource, DataSourceOptions, QueryRunner } from 'typeorm';
import { SeederEntity } from './entity';
import type { SeederExecutorOptions, SeederOptions, SeederPrepareElement } from './type';
export declare class SeederExecutor {
    protected dataSource: DataSource;
    protected options: SeederExecutorOptions;
    private readonly tableName;
    constructor(dataSource: DataSource, options?: SeederExecutorOptions);
    execute(input?: SeederOptions): Promise<SeederEntity[]>;
    protected loadExisting(queryRunner: QueryRunner): Promise<SeederEntity[]>;
    /**
     * Gets all migrations that setup for this connection.
     */
    protected buildEntities(seeds?: SeederPrepareElement[]): Promise<SeederEntity[]>;
    protected checkForDuplicates(entities: SeederEntity[]): void;
    protected createTableIfNotExist(queryRunner: QueryRunner): Promise<void>;
    protected track(queryRunner: QueryRunner, seederEntity: SeederEntity): Promise<void>;
    protected get dataSourceOptions(): DataSourceOptions & SeederOptions;
    protected get database(): string | undefined;
    protected get schema(): string | undefined;
    protected get table(): string;
    protected buildOptions(input?: SeederOptions): Promise<SeederOptions>;
    protected classNameToTimestamp(className: string): number | undefined;
}