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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def register(self, x, graph=False):
 """Register a function as being part of an API, then returns the original function."""


        if graph:
            # This function must comply to the "graph" API interface, meaning it can bahave like bonobo.run.
            from inspect import signature

            parameters = list(signature(x).parameters)
            required_parameters = {"plugins", "services", "strategy"}
            assert (
                len(parameters) > 0 and parameters[0] == "graph"
            ), 'First parameter of a graph api function must be "graph".'
            assert (
                required_parameters.intersection(parameters) == required_parameters
            ), "Graph api functions must define the following parameters: " + ", ".join(sorted(required_parameters))

        self.__all__.append(get_name(x))
        return x