import { MongoConnection } from '../MongoConnection';
import { MongoDocument, MongoCommandResult } from '../MongoTypes';
export interface FindAndModifyErrorObject {
    updatedExisting: boolean;
    n: number;
    upsert: boolean;
}
export interface FindAndModifyCommandResult extends MongoCommandResult {
    ok: number;
    lastErrorObject: FindAndModifyErrorObject;
    value: MongoDocument | any | null;
}
export declare function findAndModify(client: MongoConnection, db: string, collection: string, filter: any, options?: any): Promise<MongoDocument | any | null>;