def delete_repository(repositoryName=None):
    """
    Deletes a repository. If a specified repository was already deleted, a null repository ID will be returned.
    See also: AWS API Documentation
    
    
    :example: response = client.delete_repository(
        repositoryName='string'
    )
    
    
    :type repositoryName: string
    :param repositoryName: [REQUIRED]
            The name of the repository to delete.
            

    :rtype: dict
    :return: {
        'repositoryId': 'string'
    }
    
    
    """
    pass
