pragma solidity ^0.6.0;

abstract contract Manager {
    function last(address) virtual public returns (uint);
    function cdpCan(address, uint, address) virtual public view returns (uint);
    function ilks(uint) virtual public view returns (bytes32);
    function owns(uint) virtual public view returns (address);
    function urns(uint) virtual public view returns (address);
    function vat() virtual public view returns (address);
    function open(bytes32, address) virtual public returns (uint);
    function give(uint, address) virtual public;
    function cdpAllow(uint, address, uint) virtual public;
    function urnAllow(address, uint) virtual public;
    function frob(uint, int, int) virtual public;
    function flux(uint, address, uint) virtual public;
    function move(uint, address, uint) virtual public;
    function exit(address, uint, address, uint) virtual public;
    function quit(uint, address) virtual public;
    function enter(address, uint) virtual public;
    function shift(uint, uint) virtual public;
}