protected function normalizeChannelHandlerToCallable($callback)
    {
        return is_callable($callback) ? $callback : function (...$args) use ($callback) {
            return Container::getInstance()
                ->make($callback)
                ->join(...$args);
        };
    }
protected function normalizeChannelHandlerToCallable($callback)
    {
        return is_callable($callback) ? $callback : function (...$args) use ($callback) {
            return Container::getInstance()
                ->make($callback)
                ->join(...$args);
        };
    }
protected function normalizeChannelHandlerToCallable ( $ callback ) { return is_callable ( $ callback ) ? $ callback : function ( ... $ args ) use ( $ callback ) { return Container :: getInstance ( ) -> make ( $ callback ) -> join ( ... $ args ) ; } ; }
Normalize the given callback into a callable.

@param  mixed  $callback
@return callable|\Closure
Normalize the given callback into a callable .