#NEWLINE# @ contract #NEWLINE# def get_available_resources( threshold , usage , total ) : #NEWLINE# #INDENT# ' Get a map of the available resource capacity.\n\n    :param threshold: A threshold on the maximum allowed resource usage.\n     :type threshold: float,>=0\n\n    :param usage: A map of hosts to the resource usage.\n     :type usage: dict(str: number)\n\n    :param total: A map of hosts to the total resource capacity.\n     :type total: dict(str: number)\n\n    :return: A map of hosts to the available resource capacity.\n     :rtype: dict(str: int)\n    ' #NEWLINE# return dict ( ( ( host , int ( ( ( threshold * total [ host ] ) - resource ) ) ) for ( host , resource ) in usage . items ( ) ) )