diff --git a/knockout/knockout.d.ts b/knockout/knockout.d.ts
index 5c9ab58f3..3c2eaaca0 100644
--- a/knockout/knockout.d.ts
+++ b/knockout/knockout.d.ts
@@ -413,8 +413,8 @@ interface KnockoutStatic {
     virtualElements: KnockoutVirtualElements;
     extenders: KnockoutExtenders;
 
-    applyBindings(viewModel?: any, rootNode?: any): void;
-	applyBindingsToDescendants(viewModel: any, rootNode: any): void;
+    applyBindings(viewModelOrBindingContext?: any, rootNode?: any): void;
+	applyBindingsToDescendants(viewModelOrBindingContext: any, rootNode: any): void;
 	applyBindingAccessorsToNode(node: Node, bindings: (bindingContext: KnockoutBindingContext, node: Node) => {}, bindingContext: KnockoutBindingContext): void;
 	applyBindingAccessorsToNode(node: Node, bindings: {}, bindingContext: KnockoutBindingContext): void;
 	applyBindingAccessorsToNode(node: Node, bindings: (bindingContext: KnockoutBindingContext, node: Node) => {}, viewModel: any): void;
diff --git a/moment/moment.d.ts b/moment/moment.d.ts
index d4abff0df..b6ac9a79e 100644
--- a/moment/moment.d.ts
+++ b/moment/moment.d.ts
@@ -35,6 +35,8 @@ interface Duration {
 
     humanize(withSuffix?: boolean): string;
 
+    as(units: string): number;
+
     milliseconds(): number;
     asMilliseconds(): number;
 
@@ -56,6 +58,10 @@ interface Duration {
     years(): number;
     asYears(): number;
 
+    add(n: number, p: string): Duration;
+    add(n: number): Duration;
+    add(d: Duration): Duration;
+
     subtract(n: number, p: string): Duration;
     subtract(n: number): Duration;
     subtract(d: Duration): Duration;
@@ -170,12 +176,20 @@ interface Moment {
     day(): number;
     date(d: number): Moment;
     date(): number;
+    hour(h: number): Moment;
+    hour(): number;
     hours(h: number): Moment;
     hours(): number;
+    minute(m: number): Moment;
+    minute(): number;
     minutes(m: number): Moment;
     minutes(): number;
+    second(s: number): Moment;
+    second(): number;
     seconds(s: number): Moment;
     seconds(): number;
+    millisecond(ms: number): Moment;
+    millisecond(): number;
     milliseconds(ms: number): Moment;
     milliseconds(): number;
     weekday(): number;