Gist for my tutorial: Building a Gutenberg sidebar plugin Part 4: Adding form components. https://vanaf1979.nl/building-a-gutenberg-sidebar-plugin-part-4-adding-form-components/

BrowserTitleField-textcontrol.js

...

class BrowserTitleField extends React.Component {
    
    ...

    render() {

        return (

            <div className="metatags-browser-title-field">

                <TextControl
                    label={__("Brwoser title", "metatags")}
                    value="SOME VALUE"
                    onChange={SOME FUNCTION}
                />

            </div>

        )

    }

}