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