1 files changed, 8 insertions, 0 deletions
diff --git a/packages/typescript-typings/types/json-rpc-error/index.d.ts b/packages/typescript-typings/types/json-rpc-error/index.d.ts
new file mode 100644
index 000000000..dfaf92167
--- /dev/null
+++ b/packages/typescript-typings/types/json-rpc-error/index.d.ts
@@ -0,0 +1,8 @@
+declare module 'json-rpc-error' {
+    export class InternalError extends Error {
+        constructor(err: Error | string);
+    }
+    export class MethodNotFound extends Error {
+        constructor();
+    }
+}