/** * Represents a single already placed order. */ export class PlacedOrder { private _price: number; private _quantity: number; constructor( json: any ) { this._price = json[ 0 ]; this._quantity = json[ 1 ]; } get price(): number { return this._price; } set price( value: number ) { this._price = value; } get quantity(): number { return this._quantity; } set quantity( value: number ) { this._quantity = value; } }