json_schema: {
      "$schema": "http://json-schema.org/draft-07/schema",
      "additionalProperties": false,
      "title": "MochaRunnerOptions",
      "type": "object",
      "properties": {
          "mochaOptions": {
              "title": "MochaOptions",
              "additionalProperties": false,
              "type": "object",
              "description": "Configuration for @stryker-mutator/mocha-runner",
              "default": {},
              "properties": {
                  "require": {
                      "description": "Set mocha's [`require` option](https://mochajs.org/#-r---require-module-name)",
                      "type": "array",
                      "items": {
                          "type": "string"
                      }
                  },
                  "ignore": {
                      "description": "Set mocha's [`ignore option](https://github.com/mochajs/mocha/blob/master/example/config/.mocharc.yml#L26)",
                      "type": "array",
                      "items": {
                          "type": "string"
                      }
                  },
                  "file": {
                      "description": "Set mocha's [`file options`](https://mochajs.org/#-file-filedirectoryglob)",
                      "type": "array",
                      "items": {
                          "type": "string"
                      }
                  },
                  "opts": {
                      "description": "Specify a ['mocha.opts' file](https://mochajs.org/#mochaopts) to be loaded. Options specified directly in your stryker.conf.js file will overrule options from the 'mocha.opts' file. Disable loading of an additional mocha.opts file with `false`. The only supported mocha options are used: `--ui`, `--require`, `--async-only`, `--timeout`, `--grep` (or their short form counterparts). Others are ignored by the @stryker-mutator/mocha-runner.",
                      "type": "string"
                  },
                  "config": {
                      "description": "Explicit path to the [mocha config file](https://mochajs.org/#-config-path)",
                      "type": "string"
                  },
                  "package": {
                      "description": "Specify an explicit path to a package.json file (ostensibly containing configuration in a mocha property). See https://mochajs.org/#-package-path.",
                      "type": "string"
                  },
                  "no-package": {
                      "type": "boolean",
                      "description": "Explicit turn off [mocha package file](https://mochajs.org/#-package-path)"
                  },
                  "no-opts": {
                      "type": "boolean",
                      "description": "Explicit turn off [mocha opts file](https://mochajs.org/#-opts-path)"
                  },
                  "no-config": {
                      "type": "boolean",
                      "description": "Explicit turn off [mocha config file](https://mochajs.org/#-config-path)"
                  },
                  "timeout": {
                      "description": "Set mocha's [`timeout` option](https://mochajs.org/#-t---timeout-ms)",
                      "type": "number"
                  },
                  "async-only": {
                      "description": "Set mocha's [`async-only` option](https://mochajs.org/#-async-only-a)",
                      "type": "boolean"
                  },
                  "ui": {
                      "description": "Set the name of your [mocha ui](https://mochajs.org/#-u---ui-name)",
                      "type": "string"
                  },
                  "files": {
                      "description": "DEPRECATED, use `spec` instead.",
                      "oneOf": [
                          {
                              "type": "string"
                          },
                          {
                              "type": "array",
                              "items": {
                                  "type": "string"
                              }
                          }
                      ]
                  },
                  "spec": {
                      "description": "Choose which files to include. This is comparable to [mocha's test directory](https://mochajs.org/#the-test-directory) although there is no support for `--recursive`.\n\nIf you want to load all files recursively: use a globbing expression (`'test/**/*.js'`). If you want to decide on the order of files, use multiple globbing expressions. For example: use `['test/helpers/**/*.js', 'test/unit/**/*.js']` if you want to make sure your helpers are loaded before your unit tests.",
                      "type": "array",
                      "items": {
                          "type": "string"
                      }
                  },
                  "grep": {
                      "description": "Specify a mocha [`grep`](https://mochajs.org/#grep) command, to single out individual tests.",
                      "type": "string"
                  },
                  "extension": {
                      "description": "Specify mocha [--extension](https://mochajs.org/#-extension-ext) property.",
                      "type": "array",
                      "items": {
                          "type": "string"
                      }
                  }
              }
          }
      }
  }