From 5f1b09f95ceed16650ada8a4df3807fe534753b1 Mon Sep 17 00:00:00 2001
From: Wyatt Cready <jcready@gmail.com>
Date: Thu, 3 Aug 2017 12:24:43 -0400
Subject: [PATCH 1/3] Provide more helpful tuples for Object.entries()

and Object.values()
---
 lib/core.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/lib/core.js b/lib/core.js
index 22f74a51b56..3ee585a8d14 100644
--- a/lib/core.js
+++ b/lib/core.js
@@ -35,7 +35,9 @@ declare class Object {
     static create(o: any, properties?: any): any; // compiler magic
     static defineProperties(o: any, properties: any): any;
     static defineProperty(o: any, p: any, attributes: any): any;
-    static entries(object: any): Array<[string, mixed]>;
+    static entries <T> (o: { [s: string]: T }) : Array<[string, T]>;
+    static entries <T> (o: Array<T> | $ReadOnlyArray<T>) : Array<[string, T]>;
+    static entries (o: any) : Array<[string, mixed]>;
     static freeze<T>(o: T): T;
     static getOwnPropertyDescriptor(o: any, p: any): any;
     static getOwnPropertyNames(o: any): Array<string>;
@@ -49,7 +51,9 @@ declare class Object {
     static preventExtensions(o: any): any;
     static seal(o: any): any;
     static setPrototypeOf(o: any, proto: ?Object): bool;
-    static values(object: any): Array<mixed>;
+    static values <T> (o: { [s: string]: T }) : Array<T>;
+    static values <T> (o: Array<T> | $ReadOnlyArray<T>) : Array<T>;
+    static values(o: any): Array<mixed>;
     hasOwnProperty(prop: any): boolean;
     isPrototypeOf(o: any): boolean;
     propertyIsEnumerable(prop: any): boolean;

From 52882eb68895228e43fadc6b151286f9db14acb7 Mon Sep 17 00:00:00 2001
From: Wyatt Cready <jcready@gmail.com>
Date: Sat, 5 Aug 2017 12:39:53 -0400
Subject: [PATCH 2/3] Accept objects with covariant properties

Normal objects should still flow into this
---
 lib/core.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/core.js b/lib/core.js
index 3ee585a8d14..9ed29cc1cee 100644
--- a/lib/core.js
+++ b/lib/core.js
@@ -35,7 +35,7 @@ declare class Object {
     static create(o: any, properties?: any): any; // compiler magic
     static defineProperties(o: any, properties: any): any;
     static defineProperty(o: any, p: any, attributes: any): any;
-    static entries <T> (o: { [s: string]: T }) : Array<[string, T]>;
+    static entries <T> (o: { +[s: string]: T }) : Array<[string, T]>;
     static entries <T> (o: Array<T> | $ReadOnlyArray<T>) : Array<[string, T]>;
     static entries (o: any) : Array<[string, mixed]>;
     static freeze<T>(o: T): T;
@@ -51,7 +51,7 @@ declare class Object {
     static preventExtensions(o: any): any;
     static seal(o: any): any;
     static setPrototypeOf(o: any, proto: ?Object): bool;
-    static values <T> (o: { [s: string]: T }) : Array<T>;
+    static values <T> (o: { +[s: string]: T }) : Array<T>;
     static values <T> (o: Array<T> | $ReadOnlyArray<T>) : Array<T>;
     static values(o: any): Array<mixed>;
     hasOwnProperty(prop: any): boolean;

From f4593d2035b0aac72998ab1bb5554a01db58433b Mon Sep 17 00:00:00 2001
From: Wyatt Cready <jcready@gmail.com>
Date: Mon, 7 Aug 2017 13:47:46 -0400
Subject: [PATCH 3/3] Add better definition for Object.keys()

Resolves https://github.com/facebook/flow/issues/4553
---
 lib/core.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/core.js b/lib/core.js
index 9ed29cc1cee..3dad5d2454d 100644
--- a/lib/core.js
+++ b/lib/core.js
@@ -47,6 +47,7 @@ declare class Object {
     static isExtensible(o: any): boolean;
     static isFrozen(o: any): boolean;
     static isSealed(o: any): boolean;
+    static keys <T> (o: { +[key: T]: any }): Array<T>;
     static keys(o: any): Array<string>;
     static preventExtensions(o: any): any;
     static seal(o: any): any;