def update_repository_name(oldName=None, newName=None):
    """
    Renames a repository. The repository name must be unique across the calling AWS account. In addition, repository names are limited to 100 alphanumeric, dash, and underscore characters, and cannot include certain characters. The suffix ".git" is prohibited. For a full description of the limits on repository names, see Limits in the AWS CodeCommit User Guide.
    See also: AWS API Documentation
    
    
    :example: response = client.update_repository_name(
        oldName='string',
        newName='string'
    )
    
    
    :type oldName: string
    :param oldName: [REQUIRED]
            The existing name of the repository.
            

    :type newName: string
    :param newName: [REQUIRED]
            The new name for the repository.
            

    """
    pass
