diff --git a/types/leaflet/index.d.ts b/types/leaflet/index.d.ts
index 3f95bd4dce..5589ad9303 100644
--- a/types/leaflet/index.d.ts
+++ b/types/leaflet/index.d.ts
@@ -76,6 +76,10 @@ declare namespace L {
         function enableImageDrag(): void;
         function preventOutline(el: HTMLElement): void;
         function restoreOutline(): void;
+
+        let TRANSFORM: string;
+        let TRANSITION: string;
+        let TRANSITION_END: string;
     }
 
     interface CRS {
@@ -170,7 +174,7 @@ declare namespace L {
 
     function latLngBounds(southWest: LatLngExpression, northEast: LatLngExpression): LatLngBounds;
 
-    function latLngBounds(latlngs: LatLngBoundsLiteral): LatLngBounds;
+    function latLngBounds(latlngs: LatLngExpression[]): LatLngBounds;
 
     type PointTuple = [number, number];
 
@@ -1541,6 +1545,7 @@ declare namespace L {
         function indexOf(array: any[], el: any): number;
         function requestAnimFrame(fn: () => void, context?: any, immediate?: boolean): number;
         function cancelAnimFrame(id: number): void;
+
         let lastId: number;
         let emptyImageUrl: string;
     }
diff --git a/types/leaflet/leaflet-tests.ts b/types/leaflet/leaflet-tests.ts
index 5936742a13..1aa11c3442 100644
--- a/types/leaflet/leaflet-tests.ts
+++ b/types/leaflet/leaflet-tests.ts
@@ -20,6 +20,9 @@ let latLngBounds: L.LatLngBounds;
 latLngBounds = L.latLngBounds(latLng, latLng);
 latLngBounds = L.latLngBounds(latLngLiteral, latLngLiteral);
 latLngBounds = L.latLngBounds(latLngTuple, latLngTuple);
+latLngBounds = L.latLngBounds(latLngBoundsLiteral);
+latLngBounds = L.latLngBounds([latLngLiteral, latLngLiteral, latLngLiteral]);
+latLngBounds = L.latLngBounds([latLng, latLng, latLng]);
 
 latLngBounds = new L.LatLngBounds(latLng, latLng);
 latLngBounds = new L.LatLngBounds(latLngLiteral, latLngLiteral);
@@ -453,15 +456,21 @@ L.Util.bind(() => {}, {});
 L.Util.stamp({});
 L.Util.throttle(() => {}, 123, {});
 L.Util.wrapNum(123, []);
+L.Util.wrapNum(123, [], true);
 L.Util.falseFn();
 L.Util.formatNum(123);
+L.Util.formatNum(123, 1);
 L.Util.trim('word   ');
 L.Util.splitWords('word word');
 L.Util.setOptions({}, {});
 L.Util.getParamString({});
+L.Util.getParamString({}, '');
+L.Util.getParamString({}, '', true);
 L.Util.template('template', {});
 L.Util.isArray({});
 L.Util.indexOf([], {});
 L.Util.requestAnimFrame(() => {});
+L.Util.requestAnimFrame(() => {}, {});
+L.Util.requestAnimFrame(() => {}, {}, true);
 L.Util.cancelAnimFrame(1);
 L.Util.emptyImageUrl;