desktop_context_menu_platform_interface
A common platform interface for the desktop_context_menu plugin.
Usage
To implement a new platform-specific implementation of desktop_context_menu, extend
DesktopContextMenuPlatform with an implementation that performs the
platform-specific behavior, and when you register your plugin, set the default
DesktopContextMenuPlatform by calling
DesktopContextMenuPlatform.instance = MyPlatformContextMenu().