{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://datenoio.github.io/undatum/schemas/undatum.headers.v1.json",
  "title": "Field names of a file",
  "description": "Printed by `undatum headers --json`.",
  "type": "object",
  "properties": {
    "schema": {
      "const": "undatum.headers/1",
      "description": "Result layout"
    },
    "file": {
      "type": "string",
      "description": "Input path"
    },
    "fields": {
      "type": "array",
      "description": "Field names in file order (nested fields as dotted paths)"
    }
  },
  "required": [
    "schema",
    "file",
    "fields"
  ]
}