import * as L from 'leaflet'; declare module 'leaflet' { interface HeatLayer extends Layer { initialize(a:any,b:any): void; setLatLngs(a:any):any; addLatLng(a:any):any; setOptions(a:any):any redraw():any; onAdd(a:any):any; onRemove(a:any):any; addTo(a:any):any; _initCanvas():void; _updateOptions():void; _reset():void; _redraw():void; _animateZoom(a:any):void } function heatLayer(a:any,b:any): any; }