id: 1
unit: Handler proxyHandler()
file: lib/shelf_proxy.dart
start line: 25
end line: 97
size: 49 LOC
McCabe index: 7
number of parameters: 3

id: 2
unit: Future main()
file: example/example.dart
start line: 8
end line: 16
size: 8 LOC
McCabe index: 1
number of parameters: 0

id: 3
unit: void _addHeader()
file: lib/shelf_proxy.dart
start line: 102
end line: 105
size: 4 LOC
McCabe index: 2
number of parameters: 3