id: 1
unit: function add()
file: sample-nodejs-app/calculator.js
start line: 42
end line: 44
size: 3 LOC
McCabe index: 1
number of parameters: 2

id: 2
unit: function subtract()
file: sample-nodejs-app/calculator.js
start line: 46
end line: 48
size: 3 LOC
McCabe index: 1
number of parameters: 2

id: 3
unit: function multiply()
file: sample-nodejs-app/calculator.js
start line: 50
end line: 52
size: 3 LOC
McCabe index: 1
number of parameters: 2