Module wayland_protocols::ext::foreign_toplevel_list
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The purpose of this protocol is to provide protocol object handles for toplevels, possibly originating from another client.
This protocol is intentionally minimalistic and expects additional functionality (e.g. creating a screencopy source from a toplevel handle, getting information about the state of the toplevel) to be implemented in extension protocols.
The compositor may choose to restrict this protocol to a special client launched by the compositor itself or expose it to all clients, this is compositor policy.