apollo-federation 2.13.1

schema {
  query: Query
}

extend schema
  @link(url: "https://specs.apollo.dev/link/v1.0")
  @link(url: "https://specs.apollo.dev/federation/v2.5")

directive @link(
  url: String
  as: String
  for: link__Purpose
  import: [link__Import]
) repeatable on SCHEMA

directive @federation__key(
  fields: federation__FieldSet!
  resolvable: Boolean = true
) repeatable on OBJECT | INTERFACE

directive @federation__requires(
  fields: federation__FieldSet!
) on FIELD_DEFINITION

directive @federation__provides(
  fields: federation__FieldSet!
) on FIELD_DEFINITION

directive @federation__external(reason: String) on OBJECT | FIELD_DEFINITION

directive @federation__tag(
  name: String!
) repeatable on FIELD_DEFINITION | OBJECT | INTERFACE | UNION | ARGUMENT_DEFINITION | SCALAR | ENUM | ENUM_VALUE | INPUT_OBJECT | INPUT_FIELD_DEFINITION | SCHEMA

directive @federation__extends on OBJECT | INTERFACE

directive @federation__shareable on OBJECT | FIELD_DEFINITION

directive @federation__inaccessible on FIELD_DEFINITION | OBJECT | INTERFACE | UNION | ARGUMENT_DEFINITION | SCALAR | ENUM | ENUM_VALUE | INPUT_OBJECT | INPUT_FIELD_DEFINITION

directive @federation__override(from: String!) on FIELD_DEFINITION

directive @federation__composeDirective(name: String) repeatable on SCHEMA

directive @federation__interfaceObject on OBJECT

directive @federation__authenticated on FIELD_DEFINITION | OBJECT | INTERFACE | SCALAR | ENUM

directive @federation__requiresScopes(
  scopes: [[federation__Scope!]!]!
) on FIELD_DEFINITION | OBJECT | INTERFACE | SCALAR | ENUM

scalar link__Import

enum link__Purpose {
  """
  \`SECURITY\` features provide metadata necessary to securely resolve fields.
  """
  SECURITY
  """
  \`EXECUTION\` features provide metadata necessary for operation execution.
  """
  EXECUTION
}

scalar federation__FieldSet

scalar federation__Scope

type User @federation__key(fields: "id") {
  id: ID!
  a: String
  b: String
}

type Query {
  user(id: ID!): User
}