json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "description": "The chunk processor description.",
      "type": "object",
      "additionalProperties": false,
      "required": [
          "keyHashFields",
          "keyHashName"
      ],
      "definitions": {
          "severity": {
              "type": "string",
              "enum": [
                  "abort_file",
                  "abort_scope",
                  "skip_record",
                  "skip_field"
              ]
          }
      },
      "properties": {
          "keyHashFields": {
              "type": "array",
              "minItems": 1,
              "items": {
                  "type": "string"
              },
              "_uniqueItems": true
          },
          "keyHashName": {
              "type": "string"
          },
          "contentHashFields": {
              "type": "array",
              "minItems": 1,
              "items": {
                  "type": "string"
              },
              "_uniqueItems": true
          },
          "contentHashName": {
              "type": "string"
          },
          "scopeHashFields": {
              "type": "array",
              "minItems": 1,
              "items": {
                  "type": "string"
              },
              "_uniqueItems": true
          },
          "scopeHashName": {
              "type": "string"
          },
          "multiRowFields": {
              "type": "array",
              "items": {
                  "type": "string"
              },
              "_uniqueItems": true
          },
          "checks": {
              "double_rows_same": {
                  "$ref": "#/definitions/severity"
              },
              "double_rows_different": {
                  "$ref": "#/definitions/severity"
              }
          }
      }
  }