import { Collection } from '@goatlab/js-utils';
import { AnyObject, FindByIdFilter, FluentBelongsToManyParams, FluentBelongsToParams, FluentHasManyParams, FluentQuery, Primitives, QueryFieldSelector, QueryOutput } from './types';
export declare abstract class BaseConnector<ModelDTO, InputDTO, OutputDTO> {
    protected outputKeys: string[];
    protected relatedQuery?: {
        entity: new () => ModelDTO;
        query?: FluentQuery<ModelDTO>;
        repository?: any;
        key?: string;
        pivot?: any;
    };
    protected chunk: null;
    protected pullSize: null;
    protected paginator: undefined;
    protected rawQuery: undefined;
    protected modelRelations: any;
    isMongoDB: boolean;
    constructor();
    /**
     *
     * @param data
     */
    insertMany(_data: InputDTO[]): Promise<OutputDTO[]>;
    /**
     *
     * @param id
     * @param data
     */
    updateById(_id: string, _data: InputDTO): Promise<OutputDTO>;
    /**
     *
     * @param query
     */
    findMany<T extends FluentQuery<ModelDTO>>(_query?: T): Promise<QueryOutput<T, ModelDTO>[]>;
    /**
     * Executes the findMany() method and
     * returns it's first result
     *
     * @return {Object} First result
     */
    findFirst<T extends FluentQuery<ModelDTO>>(query?: T): Promise<QueryOutput<T, ModelDTO> | null>;
    requireById(id: string, q?: FindByIdFilter<ModelDTO>): Promise<QueryOutput<FindByIdFilter<ModelDTO>, ModelDTO>>;
    requireFirst<T extends FluentQuery<ModelDTO>>(query?: T): Promise<QueryOutput<T, ModelDTO>>;
    findByIds<T extends FindByIdFilter<ModelDTO>>(ids: string[], q?: T): Promise<QueryOutput<T, ModelDTO>[]>;
    findById<T extends FindByIdFilter<ModelDTO>>(id: string, q?: T): Promise<QueryOutput<T, ModelDTO> | null>;
    /**
     *
     * Gets the data in the current query and
     * transforms it into a collection
     * @returns {Collection} Fluent Collection
     */
    collect(query: FluentQuery<ModelDTO>): Promise<Collection<OutputDTO>>;
    /**
     * Gets all values for a given KEY
     * @returns {Array}
     * @param path
     */
    pluck(path: QueryFieldSelector<ModelDTO>, query?: FluentQuery<ModelDTO>): Promise<Primitives[]>;
    /**
     * Sets the relatedQuery param, to be used by the
     * different LOAD methods
     * @param r
     */
    protected setRelatedQuery(r: {
        entity: new () => ModelDTO;
        query?: FluentQuery<ModelDTO>;
        repository?: any;
        key?: string;
    }): void;
    /**
     * Associate One-to-Many relationship.
     * Associate an object to the parent.
     * @param data
     */
    associate(data: InputDTO | OutputDTO): Promise<OutputDTO[]>;
    /**
     * Attach an object with Many-to-Many relation
     * @param id
     */
    attach(id: string, pivot?: AnyObject): Promise<any[]>;
    /**
     * One-to-Many relationship
     * To be used in the "parent" entity (One)
     */
    protected hasMany<T extends FluentHasManyParams<T>>(r: T): InstanceType<T['repository']>;
    /**
     * Inverse One-to-Many relationship
     * To be used in the "children" entity (Many)
     */
    protected belongsTo<T extends FluentBelongsToParams<T>>(r: T): InstanceType<T['repository']>;
    /**
     * One-to-One model relationship
     */
    protected hasOne(): void;
    /**
     * Many-to-Many relationship
     * To be used in both of the Related models (excluding pivot)
     */
    protected belongsToMany<T extends FluentBelongsToManyParams<T>>(r: T): InstanceType<T['repository']>;
    /**
     *
     */
    protected hasManyThrough(): void;
    /**
     * Maps the given Data to show only those fields
     * explicitly detailed on the Select function
     *
     * @param {Array} data Data from local or remote DB
     * @returns {Array} Formatted data with the selected columns
     */
    protected jsApplySelect(select: FluentQuery<ModelDTO>['select'], data: ModelDTO[]): ModelDTO[];
}