import { AnyEntity } from "../entity/any-entity.type";
import { EntityType } from "../entity/entity-type.interface";
import { EntityEventManager } from "./entity-event-manager.class";
import { EntityManager } from "./entity-manager.class";
import { EntityRelationManager } from "./entity-relation-manager.class";
import { IdentityMap } from "./identity-map.class";
export declare class BerryOrm {
    private static nextVersion;
    readonly parent?: BerryOrm;
    readonly registry: Set<EntityType>;
    readonly version: number;
    readonly em: EntityManager;
    readonly erm: EntityRelationManager;
    readonly eem: EntityEventManager;
    readonly map: IdentityMap;
    constructor(options: BerryOrmOptions);
    fork(): BerryOrm;
    /**
     * Clear the identity map and update the ORM version, which will make all
     * existing entities belonging to this ORM instance to be unreachable.
     * @returns
     */
    reset(): this;
    private inspect;
    private inspectEntity;
    private inspectEntityField;
    /**
     * Bypass the `readonly` check.
     * @param key
     * @param value
     */
    private define;
}
interface BerryOrmOptions {
    entities: EntityType<AnyEntity>[];
}
export {};
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