diff --git a/store.d.ts b/store.d.ts
index db29eaaa2a..95d90c3848 100644
--- a/store.d.ts
+++ b/store.d.ts
@@ -2,22 +2,18 @@ interface Options {
 	immutable: boolean;
 }
 
-interface ObserveOptions {
-	defer: boolean;
-	init: boolean;
-}
-
 interface Cancellable {
 	cancel: () => void;
 }
 
-export declare class Store<State> {
+type State = Record<string, any>;
+
+export declare class Store {
 	constructor(state: State, options?: Options);
 
 	public compute(key: string, dependencies: string[]): void;
+	public fire(name: string, data?: any): void;
 	public get(): State;
-	public get<T>(key: string): T;
-	public observe<T>(key: string, callback: (value: T) => any, options?: ObserveOptions): Cancellable;
-	public onchange(callback: (state: State) => any): Cancellable;
+	public on(name: string, callback: (data: any) => void): Cancellable;
 	public set(state: State);
 }