semantic/test/fixtures/input/diff.json

{
  "blobs": [{
    "before": {
      "path": "method.rb",
      "content": "def foo; end",
      "language": "Ruby"
    },
    "after": {
      "path": "method.rb",
      "content": "def bar(x); end",
      "language": "Ruby"
    }
  }]
}