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Since: Version 20220624-141144-bd1b7c5d

The functionality described in this section requires version 20220624-141144-bd1b7c5d of wezterm, or a more recent version.

Given a window ID, verifies that the ID is a valid window known to the mux and returns a MuxWindow object that can be used to operate on the window.

This is useful for situations where you have obtained a window id from some other source and want to use the various MuxWindow methods with it.