extensions/markdown-language-features/server/src/workspace.ts/VsCodeClientWorkspace/listen
class VsCodeClientWorkspace:	public listen() {
		this.connection.workspace.onDidChangeWorkspaceFolders(async () => {
			this.workspaceFolders = (await this.connection.workspace.getWorkspaceFolders() ?? []).map(x => URI.parse(x.uri));
		});
	}