{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$comment": "OAuth2",
  "properties": {
    "access_token": {
      "title": "Access Token",
      "type": "string",
      "description": "Your Gmail OAuth2 access token",
      "writeOnly": true,
      "minLength": 1,
      "examples": [
        "eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsIng1dCI6IjlGWERwYmhax0rZNRlQyU3ZRdVhoODQ2WVR3RUlCdyIsI"
      ]
    },
    "private_key": {
      "title": "Private Key",
      "type": "string",
      "description": "RSA private key from the Google service account JSON key file. Required for service accounts",
      "writeOnly": true,
      "minLength": 1,
      "examples": ["-----BEGIN RSA PRIVATE KEY-----\nMIIEow..."]
    },
    "client_email": {
      "title": "Client Email",
      "type": "string",
      "description": "Service account email address (e.g. my-app@project-id.iam.gserviceaccount.com). Required for service accounts",
      "minLength": 1,
      "examples": ["my-app@project-id.iam.gserviceaccount.com"]
    },
    "subject": {
      "title": "Subject Email",
      "type": "string",
      "description": "Gmail user to impersonate via domain-wide delegation (e.g. user@yourdomain.com). For service account",
      "examples": ["user@yourdomain.com"]
    }
  },
  "type": "object",
  "additionalProperties": true
}