hmap/Tests/HeaderMapFrontendTests/TestFiles/map.json

{
  "A": {
    "prefix": "A1",
    "suffix": "A2"
  },
  "B": {
    "prefix": "B1",
    "suffix": "B2"
  },
  "C": {
    "prefix": "C1",
    "suffix": "C2"
  }
}