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Obtain a polymorphic wrapper with the specified property.
template<
    typename Property>
any_executor require(
    Property ) const;
          Do not call this function directly. It is intended for use with the require and prefer customisation
          points.
        
For example:
execution::any_executor<execution::blocking_t::possibly_t> ex = ...; auto ex2 = asio::requre(ex, execution::blocking.possibly);