src/vs/workbench/services/themes/common/colorThemeData.ts/ColorThemeData/createUnloadedTheme
class ColorThemeData:	static createUnloadedTheme(id: string, colorMap?: { [id: string]: string }): ColorThemeData {
		const themeData = new ColorThemeData(id, '', '__' + id);
		themeData.isLoaded = false;
		themeData.themeTokenColors = [];
		themeData.watch = false;
		if (colorMap) {
			for (const id in colorMap) {
				themeData.colorMap[id] = Color.fromHex(colorMap[id]);
			}
		}
		return themeData;
	}