page_bare               Bare HTML page with Shiny dependencies
page_react              Create a React page from conventional assets —
                        no HTML file required
page_react_dep          HTML dependency for a downstream package's own
                        JS/CSS bundle
page_react_html         Serve a React 'index.html' document (the
                        'ui.tsx' pattern)
reactive_output         Publish a reactive value to a shinyreact client
                        (the 'ui.tsx' pattern)
send_message            Send a custom message to client React
                        components
wire_tap                Tap the websocket wire of a shinytest2 app
