Export AbstractRpcService

We need this type available in order to be able to integrate RPC
services into the fetch and Infura middleware packages (so that we can
specify that a middleware function takes an RPC service).

packages/controller-utils/src/index.ts

@@ -47,3 +47,4 @@ export {
 } from './util';
 export * from './types';
 export * from './siwe';
+export { AbstractRpcService } from './rpc-service/abstract-rpc-service';

packages/network-controller/CHANGELOG.md

@@ -7,6 +7,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- Export `AbstractRpcService` type
+  - This type is useful in places where we need to specify that a function, method, or constructor takes an RPC service.
+
 ### Changed
 
 - Bump `@metamask/base-controller` from `^7.0.0` to `^7.1.0` ([#5079](https://github.com/MetaMask/core/pull/5079))

packages/network-controller/src/index.ts

@@ -52,3 +52,4 @@ export type {
 } from './types';
 export { NetworkClientType } from './types';
 export type { NetworkClient } from './create-network-client';
+export type { AbstractRpcService } from './rpc-service/abstract-rpc-service';