analyze_shiny_reactivity
                        Analyze Shiny server reactivity in a given file
classify_reactivity     Classify the reactivity type of a render block
extract_input_dependencies
                        Extract input dependencies from a Shiny render
                        block
extract_named_reactives
                        Extract named reactive expressions from a Shiny
                        server file
extract_output_assignments
                        Extract output assignments from Shiny server
                        code
extract_ui_features     Extract Shiny UI input and output elements and
                        their ids (including custom Output functions)
read_shiny_file         Read a Shiny file and determine if it should be
                        skipped
