src/vs/base/browser/ui/inputbox/inputBox.ts/InputBox/stylesForType
class InputBox:	public stylesForType(type: MessageType | undefined): { border: Color | undefined; background: Color | undefined; foreground: Color | undefined } {
		switch (type) {
			case MessageType.INFO: return { border: this.inputValidationInfoBorder, background: this.inputValidationInfoBackground, foreground: this.inputValidationInfoForeground };
			case MessageType.WARNING: return { border: this.inputValidationWarningBorder, background: this.inputValidationWarningBackground, foreground: this.inputValidationWarningForeground };
			default: return { border: this.inputValidationErrorBorder, background: this.inputValidationErrorBackground, foreground: this.inputValidationErrorForeground };
		}
	}