input EqualityConstraint {
  field: String!
  value: String!
}

type Group {
  id: String!
  "The groups to which this user belongs."
  users: [User!]!
}

"""
  A filter for requests, specifying a boolean expression based on field constraints. Only one of
  the fields can be set at a time.
"""
input RequestFilter {
  any: [RequestFilter!]
  all: [RequestFilter!]
  not: RequestFilter
  eq: EqualityConstraint
}

type Query {
  apiVersion: String!
  user(userId: String!): User!
  users(filters: RequestFilter): [User!]!
}

"NaiveDateTime"
scalar NaiveDateTime

type User {
  id: String!
  email: String!
  displayName: String
  firstName: String
  lastName: String
  creationDate: NaiveDateTime!
  "The groups to which this user belongs."
  groups: [Group!]!
}

schema {
  query: Query
}