diff --git a/types/base/index.d.ts b/types/base/index.d.ts
new file mode 100644
index 0000000..0fd949c
--- /dev/null
+++ b/types/base/index.d.ts
@@ -0,0 +1 @@
+export * from "./main";
diff --git a/types/base/main.d.ts b/types/base/main.d.ts
new file mode 100644
index 0000000..5f1d95f
--- /dev/null
+++ b/types/base/main.d.ts
@@ -0,0 +1,3 @@
+export declare function register(name: string, value: any): void;
+export declare function unregister(name: string): void;
+export declare function request(name: string): any;
diff --git a/types/index.d.ts b/types/index.d.ts
index e2003c3..a51c060 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -1 +1,2 @@
+export * from "./base";
 export * from "./util";