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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 get_release_id(self, package_name: str, version: str) -> bytes: """ Returns the 32 byte identifier of a release for the given package name and version, if they are available on the current registry. """

        validate_package_name(package_name)
        validate_package_version(version)
        self._validate_set_registry()
        return self.registry._get_release_id(package_name, version)