diff --git a/types/jsforce/connection.d.ts b/types/jsforce/connection.d.ts
index e58e13a2cd..a8cdf7fe25 100644
--- a/types/jsforce/connection.d.ts
+++ b/types/jsforce/connection.d.ts
@@ -50,6 +50,7 @@ export interface ConnectionOptions extends PartialOAuth2Options {
     proxyUrl?: string;
     redirectUri?: string;
     refreshToken?: string;
+    refreshFn?: (conn: Connection, callback: Callback<UserInfo>) => Promise<UserInfo>;
     serverUrl?: string;
     sessionId?: string;
     signedRequest?: string | Object;
diff --git a/types/jsforce/index.d.ts b/types/jsforce/index.d.ts
index 598a456f2c..2effe7b423 100644
--- a/types/jsforce/index.d.ts
+++ b/types/jsforce/index.d.ts
@@ -8,13 +8,14 @@
 //                 Borys Kupar <https://github.com/borys-kupar>
 //                 Andrés Catalán <https://github.com/catalandres>
 //                 Ken Human <https://github.com/kenhuman>
+//                 Doug Ayers <https://github.com/douglascayers>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.3
 
 export * from './api/analytics';
+export * from './api/apex';
 export * from './api/chatter';
 export * from './api/metadata';
-export * from './api/apex';
 export * from './batch';
 export * from './bulk';
 export * from './cache';
@@ -23,6 +24,7 @@ export * from './connection';
 export * from './date-enum';
 export * from './describe-result';
 export * from './job';
+export * from './limits-info';
 export * from './oauth2';
 export * from './promise';
 export * from './query';
@@ -32,4 +34,3 @@ export * from './salesforce-id';
 export * from './salesforce-object';
 export * from './streaming';
 export * from './topic';
-export * from './limits-info';
diff --git a/types/jsforce/jsforce-tests.ts b/types/jsforce/jsforce-tests.ts
index 45442b91dc..296b4c9518 100644
--- a/types/jsforce/jsforce-tests.ts
+++ b/types/jsforce/jsforce-tests.ts
@@ -15,6 +15,9 @@ const salesforceConnection: sf.Connection = new sf.Connection({
         clientId: '',
         clientSecret: '',
     },
+    refreshFn: (conn: sf.Connection, callback?: sf.Callback<sf.UserInfo>): Promise<sf.UserInfo> => {
+        return conn.login('username', 'password', callback);
+    },
 });
 
 async function testSObject(connection: sf.Connection) {
diff --git a/types/jsforce/tslint.json b/types/jsforce/tslint.json
index 12201695b9..92aba6124a 100644
--- a/types/jsforce/tslint.json
+++ b/types/jsforce/tslint.json
@@ -1,7 +1,6 @@
 {
     "extends": "dtslint/dt.json",
     "rules": {
-        // TODOs
         "array-type": false,
         "await-promise": [true, "Request"],
         "ban-types": false,