From 82a243caea68d65ea3331f852534363cff90ac4f Mon Sep 17 00:00:00 2001
From: Retsam <chess19@gmail.com>
Date: Thu, 20 Dec 2018 16:20:20 -0500
Subject: [PATCH] Fix issue with computeds and KnockoutObservable<infer T>

The fix for #26700 caused this issue, where a KnockoutComputed<T> inferred as KnockoutObservable<T | undefined> when using conditional type inference
---
 types/knockout/index.d.ts | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/types/knockout/index.d.ts b/types/knockout/index.d.ts
index fa0e195788..8bf99b79db 100644
--- a/types/knockout/index.d.ts
+++ b/types/knockout/index.d.ts
@@ -140,7 +140,7 @@ interface KnockoutSubscribableStatic {
 
 interface KnockoutSubscription {
     /**
-     * Terminates a subscription 
+     * Terminates a subscription
      */
     dispose(): void;
 }
@@ -213,9 +213,6 @@ interface KnockoutReadonlyComputed<T> extends KnockoutReadonlyObservable<T> {
 interface KnockoutComputed<T> extends KnockoutReadonlyComputed<T>, KnockoutObservable<T>, KnockoutComputedFunctions<T> {
     fn: KnockoutComputedFunctions<any>;
 
-    // It's possible for 'a' to be undefined, since the equalityComparer is run on the initial
-    // computation with undefined as the first argument. This is user-relevant for deferred computeds.
-    equalityComparer(a: T | undefined, b: T): boolean;
     /**
      * Manually disposes the computed observable, clearing all subscriptions to dependencies.
      * This function is useful if you want to stop a computed observable from being updated or want to clean up memory for a