`$c::...`, expected to be `$c::method(...)` / `$c::CONST` / `$c::$field` convert into `_by_name_call_method($c, 'method', ...)`, etc. later, if $c is constexpr, this calls will be replaced with `T::method(...)` / `T::CONST` / `T::$field` see replace-extern-func-calls.cpp
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nothing calls this directly
no test coverage detected