import mongoose from "mongoose";
import { ServiceType } from "../../";
export default abstract class ServiceBase<T> implements ServiceType<T> {
    private _entity;
    private keyField;
    constructor(_entity: mongoose.Model<any>, keyField?: string);
    GetCount(): Promise<Number>;
    Get(): Promise<T[]>;
    GetFirst(params: Partial<T>): Promise<T | null>;
    GetByQuery(params?: any, fields?: string, options?: any): Promise<T[]>;
    GetById(_id: string): Promise<T>;
    Create(payload: Partial<T>, checkKeyField?: boolean): Promise<string>;
    Delete(_id: string): Promise<boolean>;
    Update(_id: string, payload: Partial<T>): Promise<boolean>;
    GetByKeyword(value: any): Promise<T[]>;
}