GetPackage.
        [Preview API] Get details about a specific package.
        :param str feed_id: Name or Id of the feed.
        :param str package_id: The package Id (GUID Id, not the package name).
        :param bool include_all_versions: True to return all versions of the package in the response.  Default is false (latest version only).
        :param bool include_urls: True to return REST Urls with the response.  Default is True.
        :param bool is_listed: Only applicable for NuGet packages, setting it for other package types will result in a 404.  If false, delisted package versions will be returned. Use this to filter the response when includeAllVersions is set to true.  Default is unset (do not return delisted packages).
        :param bool is_release: Only applicable for Nuget packages.  Use this to filter the response when includeAllVersions is set to true.  Default is True (only return packages without prerelease versioning).
        :param bool include_deleted: Return deleted or unpublished versions of packages in the response. Default is False.
        :param bool include_description: Return the description for every version of each package in the response.  Default is False.
        :rtype: :class:`<Package> <azure.devops.v5_0.feed.models.Package>`

def get_package(self, feed_id, package_id, include_all_versions=None, include_urls=None, is_listed=None, is_release=None, include_deleted=None, include_description=None):
        """GetPackage.
        [Preview API] Get details about a specific package.
        :param str feed_id: Name or Id of the feed.
        :param str package_id: The package Id (GUID Id, not the package name).
        :param bool include_all_versions: True to return all versions of the package in the response.  Default is false (latest version only).
        :param bool include_urls: True to return REST Urls with the response.  Default is True.
        :param bool is_listed: Only applicable for NuGet packages, setting it for other package types will result in a 404.  If false, delisted package versions will be returned. Use this to filter the response when includeAllVersions is set to true.  Default is unset (do not return delisted packages).
        :param bool is_release: Only applicable for Nuget packages.  Use this to filter the response when includeAllVersions is set to true.  Default is True (only return packages without prerelease versioning).
        :param bool include_deleted: Return deleted or unpublished versions of packages in the response. Default is False.
        :param bool include_description: Return the description for every version of each package in the response.  Default is False.
        :rtype: :class:`<Package> <azure.devops.v5_0.feed.models.Package>`
        """
        route_values = {}
        if feed_id is not None:
            route_values['feedId'] = self._serialize.url('feed_id', feed_id, 'str')
        if package_id is not None:
            route_values['packageId'] = self._serialize.url('package_id', package_id, 'str')
        query_parameters = {}
        if include_all_versions is not None:
            query_parameters['includeAllVersions'] = self._serialize.query('include_all_versions', include_all_versions, 'bool')
        if include_urls is not None:
            query_parameters['includeUrls'] = self._serialize.query('include_urls', include_urls, 'bool')
        if is_listed is not None:
            query_parameters['isListed'] = self._serialize.query('is_listed', is_listed, 'bool')
        if is_release is not None:
            query_parameters['isRelease'] = self._serialize.query('is_release', is_release, 'bool')
        if include_deleted is not None:
            query_parameters['includeDeleted'] = self._serialize.query('include_deleted', include_deleted, 'bool')
        if include_description is not None:
            query_parameters['includeDescription'] = self._serialize.query('include_description', include_description, 'bool')
        response = self._send(http_method='GET',
                              location_id='7a20d846-c929-4acc-9ea2-0d5a7df1b197',
                              version='5.0-preview.1',
                              route_values=route_values,
                              query_parameters=query_parameters)
        return self._deserialize('Package', response)