json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "required": [
          "config",
          "inputs"
      ],
      "type": "object",
      "properties": {
          "inputs": {
              "required": [
                  "anatomical"
              ],
              "type": "object",
              "properties": {
                  "anatomical": {
                      "type": "object",
                      "properties": {
                          "type": {
                              "enum": [
                                  "nifti",
                                  "mgh",
                                  "dicom"
                              ]
                          }
                      }
                  }
              }
          },
          "config": {
              "required": [
                  "output_mgh",
                  "output_nifti"
              ],
              "type": "object",
              "properties": {
                  "output_mgh": {
                      "default": false,
                      "type": "boolean"
                  },
                  "output_nifti": {
                      "default": true,
                      "type": "boolean"
                  }
              }
          }
      },
      "title": "Invocation manifest for FreeSurfer: MBIRN Defacer for structural MRI (mri-deface v1.22)"
  }