action motaword_get_user_popular_pairs {
  label: "Returns the language pairs that the user has ordered most."
  provider: motaword
  method: GET
  path: "/{userId}/stats/popular-pairs"
  encoding: json
  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"
            }
          }
        }
      }
    }
  }
}