id: 1
unit: function validate_heartbeats()
file: index.js
start line: 21
end line: 40
size: 19 LOC
McCabe index: 5
number of parameters: 0

id: 2
unit: function getMachineList()
file: index.js
start line: 42
end line: 53
size: 12 LOC
McCabe index: 3
number of parameters: 0

id: 3
unit: function findMachine()
file: index.js
start line: 61
end line: 70
size: 10 LOC
McCabe index: 3
number of parameters: 2

id: 4
unit: function saveMachineList()
file: index.js
start line: 55
end line: 59
size: 5 LOC
McCabe index: 1
number of parameters: 1