vscode/extensions/css-language-features/client/tsconfig.json

{
	"extends": "../../tsconfig.base.json",
	"compilerOptions": {
		"outDir": "./out"
	},
	"include": [
		"src/**/*",
		"../../../src/vscode-dts/vscode.d.ts",
		"../../../src/vscode-dts/vscode.proposed.d.ts",
	]
}