std::vector<s4u::Disk*> get_disks() const;
s4u::Disk* create_disk(const std::string& name, double read_bandwidth, double write_bandwidth);
s4u::VirtualMachine* create_vm(const std::string& name, int core_amount, size_t ramsize = 1024);
std::vector<s4u::Disk*> get_disks() const;
s4u::Disk* create_disk(const std::string& name, double read_bandwidth, double write_bandwidth);
s4u::VirtualMachine* create_vm(const std::string& name, int core_amount, size_t ramsize = 1024);