Proposal] Add ability to declare global usings for namespaces, types and aliases by using a command line switch · Issue #3428 · dotnet/csharplang · GitHub
![The namespace *namespace* Already contains a definition for *Controller* · Issue #1402 · dotnet/vscode-csharp · GitHub The namespace *namespace* Already contains a definition for *Controller* · Issue #1402 · dotnet/vscode-csharp · GitHub](https://user-images.githubusercontent.com/1648916/32975624-b49f1496-cbce-11e7-88b7-55bac4abbd81.png)
The namespace *namespace* Already contains a definition for *Controller* · Issue #1402 · dotnet/vscode-csharp · GitHub
![TypeScript: global variable definitions override ambient declarations · Issue #683 · sveltejs/language-tools · GitHub TypeScript: global variable definitions override ambient declarations · Issue #683 · sveltejs/language-tools · GitHub](https://user-images.githubusercontent.com/31248098/99877721-7933eb80-2c00-11eb-8cbe-1c11bb275de6.png)