import { Model } from "mongoose";
export declare class AbstractPersistenceService<Type> {
    model: Model<Type>;
    populateFields: string[];
    /**
     * Creates a new instance of a persistence service.
     * @param _model the  model.
     * @param _populateFields the fields to perform populate the base queries.
     */
    constructor(model: Model<Type>, populateFields: string[]);
    /**
     * Retrieves a list of <Type> based in the query filter.
     * @param filter the filer.
     */
    list(filter?: any): Promise<Type[]>;
    /**
     * Retrievers a single <Type> object.
     * @param id the object id.
     */
    getById(id: any): Promise<Type>;
    /**
     * Retrievers a single <Type> object.
     * @param filter the query filter.
     */
    getOne(filter?: any): Promise<Type>;
    /**
     * Saves and returns the saved instance of the ${Type}.
     * @param record the record.
     */
    save(record: Type): Promise<Type>;
    /**
     * Updates and returns the saved instance of the ${Type}.
     * @param record the record.
     */
    updateById(id: any, update: any): Promise<Type>;
    /**
     * Updates and returns the saved instance of the ${Type}.
     * @param filter the update filter.
     * @param record the record.
     */
    updateBy(filter: any, update: any): Promise<Type>;
    /**
     * Removes a ${Type} from the database and returns its instance.
     * @param id the record id;
     */
    remove(id: any): Promise<void>;
    /**
     * Populate queries with all the model's fields required.
     * @param query the query
     * @private
     */
    private populateQueryFields;
}