import { EntityManager } from './';
interface Type<T> extends Function {
    new (...args: unknown[]): T;
}
export interface UpsertOptions<E extends {}, K = keyof E> {
    skip?: K[];
    pk?: K | K[];
}
export declare function upsert<E extends {}>(entityManager: EntityManager, Entity: Type<E>, data: E, options?: UpsertOptions<E>): Promise<E>;
export {};