ViewsUiBaseViewsWizard::build_form in core/modules/views_ui/wizards/views_ui_base_views_wizard.php

For AJAX callbacks to build other elements in the "show" form.

ViewsUiBaseViewsWizard::row_style_options in core/modules/views_ui/wizards/views_ui_base_views_wizard.php

Add possible row style options.

views_get_enabled_display_extenders in core/modules/views/includes/utility.inc

Get enabled display extenders.

views_plugin_display::options_form in core/modules/views/plugins/views_plugin_display.inc

Provide the default form for setting options.

views_plugin_display_feed::init in core/modules/views/plugins/views_plugin_display_feed.inc

views_ui_admin_settings_advanced in core/modules/views_ui/views_ui.admin.inc

Form builder for the advanced admin settings page.

views_ui_get_display_tab_details in core/modules/views_ui/views_ui.admin.inc

Helper function to get the display details section of the configure UI.

views_ui_render_display_top in core/modules/views_ui/views_ui.admin.inc

Render the top of the display so it can be updated during ajax operations.