Returns the language pairs that the user has ordered most.

v1.0.0

Input

{
  "type": "object",
  "properties": {
    "userId": {
      "type": "integer",
      "format": "int64"
    }
  },
  "required": [
    "userId"
  ],
  "additionalProperties": false
}

Output

{
  "type": "object",
  "properties": {
    "pairs": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "source_language": {
            "type": "string"
          },
          "target_language": {
            "type": "string"
          }
        }
      }
    }
  }
}