These are autodefs, meaning they should be defined whether or not the
containing module is enabled, but they should no-op when it's disabled,
by defining a no-op macro with the same name. However, lsp! and
tree-sitter! are meant to be used as hooks, and you can't use macros as
hooks, so you get void-function errors when they are used as such.
This ensures they are properly defined as no-op functions in those
cases. I.e.
;;;###autodef FORM
FORM is used instead of a no-op macro if the parent module is disabled.
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