Gradle configuration options

apollo {
  // configure ApolloExtension here
  generateKotlinModels.set(true) // Generate Kotlin models for all services

  service("starwars") {
    // Overwrite some options here for the starwars Service here if needed
    sourceFolder = "starwars"
    rootPackageName = "com.starwars"
  }
  service("githunt") {
    // Overwrite some options here for the githunt Service here if needed
    sourceFolder = "githunt"
    rootPackageName = "com.starwars"
  }

  onCompilationUnit {
    // Overwrite some options here for single CompilationUnit if needed
  }
}

  /**
   * Whether to generate Java or Kotlin models
   *
   * Default value: false
   */
  val generateKotlinModels: Property<Boolean>

  /**
   * Whether to generate operationOutput.json. operationOutput.json contains information such as
   * operation id, name and complete source sent to the server. This can be used to upload
   * a query's exact content to a server that doesn't support automatic persisted queries.
   *
   * The operation output is written in [CompilationUnit.operationOutputFile]
   *
   * Default value: false
   */
  val generateOperationOutput: Property<Boolean>


  /**
   * For custom scalar types like Date, map from the GraphQL type to the jvm/kotlin type.
   *
   * Default value: the empty map
   */
  val customTypeMapping: MapProperty<String, String>

  /**
   * By default, Apollo uses `Sha256` hashing algorithm to generate an ID for the query.
   * To provide a custom ID generation logic, pass an `instance` that implements the [OperationIdGenerator]. How the ID is generated is
   * indifferent to the compiler. It can be an hashing algorithm or generated by a backend.
   *
   * Example Md5 hash generator:
   *
   * import com.apollographql.apollo.compiler.OperationIdGenerator
   *
   * apollo {
   *   operationIdGenerator = new OperationIdGenerator() {
   *     String apply(String operationDocument, String operationFilepath) {
   *       return operationDocument.md5()
   *     }
   *
   *     /**
   *      * Use this version override to indicate an update to the implementation.
   *      * This invalidates the current cache.
   *      */
   *     String version = "v1"
   *   }
   * }
   *
   * Default value: [OperationIdGenerator.Sha256]
   */
  val operationIdGenerator: Property<OperationIdGenerator>

  /**
   * The custom types code generate some warnings that might make the build fail.
   * suppressRawTypesWarning will add the appropriate SuppressWarning annotation
   *
   * Default value: false
   */
  val suppressRawTypesWarning: Property<Boolean>

  /**
   * When true, Apollo Android will make sure all the generated classes end with 'Query' or 'Mutation'.
   * If you write `query droid { ... }`, the generated class will be named 'DroidQuery'.
   *
   * Default value: true
   */
  val useSemanticNaming: Property<Boolean>

  /**
   * The nullable value type to use. One of: "annotated", "apolloOptional", "guavaOptional", "javaOptional", "inputType"
   *
   * Default value: "annotated"
   * Only valid for java models as kotlin has proper nullability support
   */
  val nullableValueType: Property<String>

  /**
   * Whether to generate builders for java models
   *
   * Default value: false
   * Only valid for java models as kotlin has data classes
   */
  val generateModelBuilder: Property<Boolean>

  /**
   * When true, Apollo Android will use java beans getters in the models. If you request a property named 'user', the generated
   * model will have a `getUser()` property instead of `user()`
   *
   * Default value: false
   * Only valid for java as kotlin has properties
   */
  val useJavaBeansSemanticNaming: Property<Boolean>

  /**
   * Apollo Gradle plugin supports generating visitors for compile-time safe handling of polymorphic datatypes.
   * Enabling this requires source/target compatibility with Java 1.8.
   *
   * Default value: false
   */
  val generateVisitorForPolymorphicDatatypes: Property<Boolean>

  /**
   * The package name of the models is computed from their folder hierarchy like for java sources.
   *
   * If you want, you can prepend a custom package name here to namespace your models.
   *
   * Default value: the empty string
   */
  val rootPackageName: Property<String>

  /**
   * The graphql files containing the queries.
   *
   * This SourceDirectorySet includes .graphql and .gql files by default.
   *
   * By default, it will use [Service.sourceFolder] to populate the SourceDirectorySet.
   * You can override it from [ApolloExtension.onCompilationUnit] for more advanced use cases
   */
  val graphqlSourceDirectorySet: SourceDirectorySet

  /**
   * The schema file
   *
   * By default, it will use [Service.schemaPath] to set schemaFile.
   * You can override it from [ApolloExtension.onCompilationUnit] for more advanced use cases
   */
  val schemaFile: RegularFileProperty

  /**
   * Whether to generate Kotlin models with `internal` visibility modifier.
   *
   * Default value: false
   */
  val generateAsInternal: Property<Boolean>

  /**
   * A list of [Regex] patterns for GraphQL enums that should be generated as Kotlin sealed classes instead of the default Kotlin enums.
   *
   * Use this if you want your client to have access to the rawValue of the enum. This can be useful if new GraphQL enums are added but
   * the client was compiled against an older schema that doesn't have knowledge of the new enums.
   */
  val sealedClassesForEnumsMatching: ListProperty<String>