import { SeederCollection, DeepPartial } from './common';
import { SeederDatabaseConfig } from './database';
import { CollectionInsertManyOptions, MongoClientOptions } from 'mongodb';
/**
 * Defines configuration for database seeding.
 */
export interface SeederConfig {
    database: SeederDatabaseConfig;
    databaseReconnectTimeout: number;
    dropDatabase: boolean;
    dropCollections: boolean;
    mongoClientOptions?: MongoClientOptions;
    collectionInsertManyOptions?: CollectionInsertManyOptions;
}
/**
 * Stores default configuration for database seeding.
 */
export declare const defaultSeederConfig: SeederConfig;
/**
 * Merges configuration for database seeding.
 *
 * @param partial Partial config object. If not specified, returns a default config object.
 * @param previous Previous config object. If not specified, uses a default config object as a base.
 */
export declare const mergeSeederConfig: (partial?: DeepPartial<SeederConfig> | undefined, previous?: SeederConfig | undefined) => SeederConfig;
/**
 * Defines collection reading configuration.
 */
export interface SeederCollectionReadingOptions {
    extensions: string[];
    transformers: Array<(collection: SeederCollection) => SeederCollection>;
}
/**
 * Stores default collection reading configuration values.
 */
export declare const defaultCollectionReadingOptions: SeederCollectionReadingOptions;
/**
 * Merges configuration for collection reading.
 *
 * @param partial Partial config object. If not specified, returns a default config object.
 * @param previous Previous config object. If not specified, uses a default config object as a base.
 */
export declare const mergeCollectionReadingOptions: (partial?: DeepPartial<SeederCollectionReadingOptions> | undefined, previous?: SeederCollectionReadingOptions | undefined) => SeederCollectionReadingOptions;