type Person
  @model
  @key(fields: ["id", "firstName", "lastName"])
  @key(name: "byNameAndAge", fields: ["firstName", "age", "birthDate"], queryField: "getPersonByNameAndAge")
  @key(name: "byNicknameAndHeight", fields: ["firstName", "nickname", "height"], queryField: "getPersonByNicknameAndHeight") {
  id: ID!
  firstName: String!
  lastName: String!
  birthDate: AWSDate
  nickname: String
  age: Int
  height: Int
  eyeColor: String
}