From 1097fb71fc1aafb8111077572433f8516dc1fcce Mon Sep 17 00:00:00 2001
From: Spencer Elliott <me@elliottsj.com>
Date: Thu, 31 Jan 2019 10:34:20 -0500
Subject: [PATCH] [styled-components] Add ServerStyleSheet.seal()

https://github.com/styled-components/styled-components/blob/c3eedbeb79621acd668e15ed2d63107528ed81c3/packages/styled-components/src/models/ServerStyleSheet.js#L27-L38
---
 types/styled-components/index.d.ts     | 1 +
 types/styled-components/test/index.tsx | 1 +
 2 files changed, 2 insertions(+)

diff --git a/types/styled-components/index.d.ts b/types/styled-components/index.d.ts
index 924699dd3a..e28b05066e 100644
--- a/types/styled-components/index.d.ts
+++ b/types/styled-components/index.d.ts
@@ -446,6 +446,7 @@ export class ServerStyleSheet {
         readableStream: NodeJS.ReadableStream
     ): NodeJS.ReadableStream;
     readonly instance: this;
+    seal(): void;
 }
 
 type StyleSheetManagerProps =
diff --git a/types/styled-components/test/index.tsx b/types/styled-components/test/index.tsx
index 7108f737f7..bae94072ec 100644
--- a/types/styled-components/test/index.tsx
+++ b/types/styled-components/test/index.tsx
@@ -472,6 +472,7 @@ const sheet = new ServerStyleSheet();
 const html = sheet.collectStyles(<SSRTitle>Hello world</SSRTitle>);
 const styleHtml = sheet.getStyleTags();
 const styleElement = sheet.getStyleElement();
+sheet.seal();
 
 const sheet2 = new ServerStyleSheet();
 const element = (