constructor(props) {
        super(props);
        this.textareaRef = React.createRef();
        this.textareaId = uniqueId('textarea');
        this.inlineTextLabelId = uniqueId('inline-text-label');
        this.errorMessageId = uniqueId('error-message');
        this.updateFocus = this.updateFocus.bind(this);
        this.state = {
            isFocused: false,
        };
    }
Textarea inputs are used for freeform data entry.
@category Form