{
  "$schema": "https://json-schema.org/draft/2019-09/schema",
  "$title": "NimbusEnrollment",
  "description": "An enrollment in a Nimbus Experiment saved to disk",
  "type": "object",
  "properties": {
    "slug": {
      "type": "string",
      "description": "Unique identifier for the experiment"
    },
    "userFacingName": {
      "type": "string",
      "description": "Public name of the experiment displayed on \"about:studies\""
    },
    "userFacingDescription": {
      "type": "string",
      "description": "Short public description of the experiment displayed on on \"about:studies\""
    },
    "isRollout": {
      "type": "boolean",
      "description": "When this property is set to true, treat this experiment as a rollout. Rollouts are currently handled as single-branch experiments separated from the bucketing namespace for normal experiments. See also: https://mozilla-hub.atlassian.net/browse/SDK-405"
    },
    "featureIds": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "A list of featureIds the experiment contains configurations for."
    },
    "branch": {
      "$ref": "#/$defs/DesktopExperimentBranch",
      "description": "Branch configuration for the experiment"
    },
    "active": {
      "type": "boolean",
      "description": "Whether or not the enrollment is active."
    },
    "lastSeen": {
      "type": "string",
      "format": "date-time",
      "description": "The last time the experiment was seen."
    },
    "prefs": {
      "type": "array",
      "description": "Information about prefs set by this enrollment.",
      "items": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string",
            "description": "The name of the pref that was set."
          },
          "featureId": {
            "type": "string",
            "description": "The ID of the feature that owns the variable that set this pref."
          },
          "variable": {
            "type": "string",
            "description": "The variable that set this pref."
          },
          "branch": {
            "type": "string",
            "enum": ["user", "default"],
            "description": "The branch the pref was set on."
          },
          "originalValue": {
            "description": "The original value before the experiment."
          }
        },
        "additionalProperties": false
      }
    },
    "prefFlips": {
      "type": "object",
      "description": "Information stored on this enrollment by the prefFlips feature. Only present if an experiment uses the prefFlips feature.",
      "properties": {
        "originalValues": {
          "type": "object",
          "description": "Original values for prefs set by this experiment.",
          "patternProperties": {
            ".*": {
              "description": "The original value of the pref, or null if the pref was not set.",
              "type": ["string", "integer", "boolean", "null"]
            }
          }
        }
      }
    },
    "localizations": {
      "anyOf": [
        {
          "$ref": "#/$defs/ExperimentLocalizations"
        },
        {
          "type": "null"
        }
      ],
      "description": "Per-locale localization substitutions.\n\nThe top level key is the locale (e.g., \"en-US\" or \"fr\"). Each entry is a mapping of string IDs to their localized equivalents.\n\nOnly supported on desktop."
    },
    "unenrollReason": {
      "type": "string",
      "description": "The reason for unenrollment. Only present when the enrollment is inactive."
    },
    "isFirefoxLabsOptIn": {
      "description": "When this property is set to true, treat this experiment as aFirefox Labs experiment",
      "type": "boolean"
    },
    "firefoxLabsTitle": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "description": "The title shown in Firefox Labs (Fluent ID)"
    },
    "firefoxLabsDescriptionLinks": {
      "anyOf": [
        {
          "additionalProperties": {
            "format": "uri",
            "maxLength": 2083,
            "minLength": 1,
            "type": "string"
          },
          "type": "object"
        },
        {
          "type": "null"
        }
      ],
      "description": "Links that will be used with the firefoxLabsDescription Fluent ID. May be null for Firefox Labs Opt-In recipes that do not use links."
    },
    "firefoxLabsDescription": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "description": "The title shown in Firefox Labs (Fluent ID)"
    },
    "firefoxLabsGroup": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "description": "The group this should appear under in Firefox Labs"
    },
    "requiresRestart": {
      "description": "Does the experiment require a restart to take effect? Only used by Firefox Labs Opt-Ins.",
      "type": "boolean"
    }
  },
  "required": [
    "slug",
    "userFacingName",
    "userFacingDescription",
    "branch",
    "active",
    "lastSeen"
  ],
  "$defs": {
    "DesktopExperimentBranch": {
      "description": "The branch definition supported on Firefox Desktop 95+.",
      "properties": {
        "slug": {
          "description": "Identifier for the branch.",
          "type": "string"
        },
        "ratio": {
          "description": "Relative ratio of population for the branch. e.g., if branch A=1 and branch B=3, then branch A would get 25% of the population.",
          "type": "integer"
        },
        "features": {
          "description": "An array of feature configurations.",
          "items": {
            "$ref": "#/$defs/ExperimentFeatureConfig"
          },
          "type": "array"
        },
        "firefoxLabsTitle": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "description": "An optional string containing the title of the branch"
        }
      },
      "required": ["slug", "ratio", "features"],
      "type": "object"
    },
    "ExperimentFeatureConfig": {
      "properties": {
        "featureId": {
          "description": "The identifier for the feature flag.",
          "type": "string"
        },
        "value": {
          "description": "The values that define the feature configuration. This should be validated against a schema.",
          "type": "object"
        }
      },
      "required": ["featureId", "value"],
      "type": "object"
    },
    "ExperimentLocalizations": {
      "additionalProperties": {
        "additionalProperties": {
          "type": "string"
        },
        "type": "object"
      },
      "description": "Per-locale localization substitutions. The top level key is the locale (e.g., \"en-US\" or \"fr\"). Each entry is a mapping of string IDs to their localized equivalents.",
      "type": "object"
    }
  }
}