chore: Sort imports on stream,stream-tests,stream-testkit

stream-testkit/src/test/scala/org/apache/pekko/stream/impl/fusing/GraphInterpreterSpecKit.scala

@@ -13,12 +13,11 @@
 
 package org.apache.pekko.stream.impl.fusing
 
+import scala.annotation.nowarn
 import scala.collection.{ Map => SMap }
 import scala.concurrent.ExecutionContextExecutor
 import scala.concurrent.duration.FiniteDuration
 
-import scala.annotation.nowarn
-
 import org.apache.pekko
 import pekko.actor.ActorSystem
 import pekko.actor.Cancellable

stream-testkit/src/test/scala/org/apache/pekko/stream/testkit/BaseTwoStreamsSetup.scala

@@ -16,13 +16,13 @@ package org.apache.pekko.stream.testkit
 import scala.collection.immutable
 import scala.util.control.NoStackTrace
 
-import org.reactivestreams.Publisher
-
 import org.apache.pekko
 import pekko.stream.scaladsl._
 import pekko.stream.testkit.scaladsl.StreamTestKit._
 import pekko.testkit.PekkoSpec
 
+import org.reactivestreams.Publisher
+
 abstract class BaseTwoStreamsSetup extends PekkoSpec("""
     pekko.stream.materializer.initial-input-buffer-size = 2
     pekko.stream.materializer.max-input-buffer-size = 2

stream-testkit/src/test/scala/org/apache/pekko/stream/testkit/ChainSetup.scala

@@ -14,7 +14,6 @@
 package org.apache.pekko.stream.testkit
 
 import scala.annotation.nowarn
-import org.reactivestreams.Publisher
 
 import org.apache.pekko
 import pekko.NotUsed
@@ -25,6 +24,8 @@ import pekko.stream.ActorMaterializerSettings
 import pekko.stream.Materializer
 import pekko.stream.scaladsl._
 
+import org.reactivestreams.Publisher
+
 class ChainSetup[In, Out, M](
     stream: Flow[In, In, NotUsed] => Flow[In, Out, M],
     val settings: ActorMaterializerSettings,

stream-testkit/src/test/scala/org/apache/pekko/stream/testkit/ScriptedTest.scala

@@ -15,13 +15,10 @@ package org.apache.pekko.stream.testkit
 
 import java.util.concurrent.ThreadLocalRandom
 
+import scala.annotation.nowarn
 import scala.annotation.tailrec
 import scala.concurrent.duration._
 
-import scala.annotation.nowarn
-import org.reactivestreams.Publisher
-import org.scalatest.matchers.should.Matchers
-
 import org.apache.pekko
 import pekko.NotUsed
 import pekko.actor.ActorSystem
@@ -34,6 +31,10 @@ import pekko.stream.scaladsl.Source
 import pekko.stream.testkit.TestPublisher._
 import pekko.stream.testkit.TestSubscriber._
 
+import org.reactivestreams.Publisher
+
+import org.scalatest.matchers.should.Matchers
+
 trait ScriptedTest extends Matchers {
 
   class ScriptException(msg: String) extends RuntimeException(msg)

stream-testkit/src/test/scala/org/apache/pekko/stream/testkit/StreamSpec.scala

@@ -16,18 +16,19 @@ package org.apache.pekko.stream.testkit
 import scala.concurrent.Future
 import scala.concurrent.duration._
 
-import com.typesafe.config.{ Config, ConfigFactory }
-import org.scalatest.Failed
-
 import org.apache.pekko
 import pekko.actor.{ ActorRef, ActorSystem }
+import pekko.stream.Materializer
+import pekko.stream.impl.PhasedFusingActorMaterializer
 import pekko.stream.impl.StreamSupervisor
 import pekko.stream.snapshot.{ MaterializerState, StreamSnapshotImpl }
+import pekko.stream.testkit.scaladsl.StreamTestKit.{ assertNoChildren, stopAllChildren }
 import pekko.testkit.{ PekkoSpec, TestProbe }
 import pekko.testkit.TestKitUtils
-import pekko.stream.impl.PhasedFusingActorMaterializer
+
-import pekko.stream.testkit.scaladsl.StreamTestKit.{ assertNoChildren, stopAllChildren }
+import org.scalatest.Failed
-import pekko.stream.Materializer
+
+import com.typesafe.config.{ Config, ConfigFactory }
 
 abstract class StreamSpec(_system: ActorSystem) extends PekkoSpec(_system) {
   def this(config: Config) =

stream-testkit/src/test/scala/org/apache/pekko/stream/testkit/StreamTestDefaultMailbox.scala

@@ -13,8 +13,6 @@
 
 package org.apache.pekko.stream.testkit
 
-import com.typesafe.config.Config
-
 import org.apache.pekko
 import pekko.actor.Actor
 import pekko.actor.ActorRef
@@ -26,6 +24,8 @@ import pekko.dispatch.ProducesMessageQueue
 import pekko.dispatch.UnboundedMailbox
 import pekko.stream.impl.MaterializerGuardian
 
+import com.typesafe.config.Config
+
 /**
  * INTERNAL API
  * This mailbox is only used in tests to verify that stream actors are using

stream-testkit/src/test/scala/org/apache/pekko/stream/testkit/StreamTestKitSpec.scala

@@ -13,7 +13,10 @@
 
 package org.apache.pekko.stream.testkit
 
+import java.util
+
 import scala.concurrent.duration._
+
 import org.apache.pekko
 import pekko.stream.scaladsl.Source
 import pekko.stream.testkit.scaladsl.TestSink
@@ -21,8 +24,6 @@ import pekko.testkit._
 import pekko.testkit.TestEvent.Mute
 import pekko.testkit.TestEvent.UnMute
 
-import java.util
-
 class StreamTestKitSpec extends PekkoSpec {
 
   val ex = new Exception("Boom!")

stream-testkit/src/test/scala/org/apache/pekko/stream/testkit/TestPublisherSubscriberSpec.scala

@@ -13,8 +13,6 @@
 
 package org.apache.pekko.stream.testkit
 
-import org.reactivestreams.Subscription
-
 import org.apache.pekko
 import pekko.stream.scaladsl.Sink
 import pekko.stream.scaladsl.Source
@@ -23,6 +21,8 @@ import pekko.stream.testkit.TestSubscriber._
 import pekko.stream.testkit.scaladsl.StreamTestKit._
 import pekko.testkit.PekkoSpec
 
+import org.reactivestreams.Subscription
+
 class TestPublisherSubscriberSpec extends PekkoSpec("""
     pekko.stream.materializer.initial-input-buffer-size = 2
     pekko.stream.materializer.max-input-buffer-size = 2

stream-testkit/src/test/scala/org/apache/pekko/stream/testkit/TwoStreamsSetup.scala

@@ -13,12 +13,12 @@
 
 package org.apache.pekko.stream.testkit
 
-import org.reactivestreams.Publisher
-
 import org.apache.pekko
 import pekko.stream._
 import pekko.stream.scaladsl._
 
+import org.reactivestreams.Publisher
+
 abstract class TwoStreamsSetup extends BaseTwoStreamsSetup {
 
   abstract class Fixture {

stream-testkit/src/test/scala/org/apache/pekko/stream/testkit/Utils.scala

@@ -15,12 +15,12 @@ package org.apache.pekko.stream.testkit
 
 import scala.util.control.NoStackTrace
 
-import com.typesafe.config.ConfigFactory
-
 import org.apache.pekko
 import pekko.actor.ActorRef
 import pekko.actor.ActorRefWithCell
 
+import com.typesafe.config.ConfigFactory
+
 object Utils {
 
   /** Sets the default-mailbox to the usual [[pekko.dispatch.UnboundedMailbox]] instead of [[StreamTestDefaultMailbox]]. */

stream-tests/src/test/scala/org/apache/pekko/stream/ActorMaterializerSpec.scala

@@ -19,8 +19,6 @@ import scala.concurrent.Future
 import scala.concurrent.duration._
 import scala.util.{ Failure, Try }
 
-import com.typesafe.config.ConfigFactory
-
 import org.apache.pekko
 import pekko.Done
 import pekko.actor.{ Actor, ActorSystem, PoisonPill, Props }
@@ -35,6 +33,8 @@ import pekko.stream.testkit.{ StreamSpec, TestPublisher }
 import pekko.testkit.{ ImplicitSender, TestProbe }
 import pekko.testkit.TestKit
 
+import com.typesafe.config.ConfigFactory
+
 object IndirectMaterializerCreation extends ExtensionId[IndirectMaterializerCreation] with ExtensionIdProvider {
   def createExtension(system: ExtendedActorSystem): IndirectMaterializerCreation =
     new IndirectMaterializerCreation(system)

stream-tests/src/test/scala/org/apache/pekko/stream/DslConsistencySpec.scala

@@ -16,9 +16,10 @@ package org.apache.pekko.stream
 import java.lang.reflect.Method
 import java.lang.reflect.Modifier
 
-import org.apache.pekko
 import scala.annotation.nowarn
 
+import org.apache.pekko
+
 import org.scalatest.matchers.should.Matchers
 import org.scalatest.wordspec.AnyWordSpec
 

stream-tests/src/test/scala/org/apache/pekko/stream/DslFactoriesConsistencySpec.scala

@@ -14,6 +14,7 @@
 package org.apache.pekko.stream
 
 import org.apache.pekko
+
 import org.scalatest.matchers.should.Matchers
 import org.scalatest.wordspec.AnyWordSpec
 

stream-tests/src/test/scala/org/apache/pekko/stream/SystemMaterializerSpec.scala

@@ -15,14 +15,14 @@ package org.apache.pekko.stream
 
 import scala.concurrent.Future
 
-import org.scalatest.concurrent.ScalaFutures
-
 import org.apache.pekko
 import pekko.stream.scaladsl.Keep
 import pekko.stream.scaladsl.Sink
 import pekko.stream.scaladsl.Source
 import pekko.stream.testkit.StreamSpec
 
+import org.scalatest.concurrent.ScalaFutures
+
 class SystemMaterializerSpec extends StreamSpec with ScalaFutures {
 
   def compileOnly(): Unit = {

stream-tests/src/test/scala/org/apache/pekko/stream/impl/GraphStageLogicSpec.scala

@@ -15,8 +15,6 @@ package org.apache.pekko.stream.impl
 
 import scala.concurrent.duration.Duration
 
-import org.scalatest.concurrent.ScalaFutures
-
 import org.apache.pekko
 import pekko.NotUsed
 import pekko.stream._
@@ -27,6 +25,8 @@ import pekko.stream.stage.GraphStageLogic.{ EagerTerminateInput, EagerTerminateO
 import pekko.stream.testkit.StreamSpec
 import pekko.stream.testkit.scaladsl.TestSink
 
+import org.scalatest.concurrent.ScalaFutures
+
 class GraphStageLogicSpec extends StreamSpec with GraphInterpreterSpecKit with ScalaFutures {
 
   object emit1234 extends GraphStage[FlowShape[Int, Int]] {

stream-tests/src/test/scala/org/apache/pekko/stream/impl/ResizableMultiReaderRingBufferSpec.scala

@@ -15,11 +15,11 @@ package org.apache.pekko.stream.impl
 
 import scala.util.Random
 
+import org.apache.pekko.stream.impl.ResizableMultiReaderRingBuffer._
+
 import org.scalatest.matchers.should.Matchers
 import org.scalatest.wordspec.AnyWordSpec
 
-import org.apache.pekko.stream.impl.ResizableMultiReaderRingBuffer._
-
 class ResizableMultiReaderRingBufferSpec extends AnyWordSpec with Matchers {
 
   "A ResizableMultiReaderRingBuffer" should {

stream-tests/src/test/scala/org/apache/pekko/stream/impl/TimeoutsSpec.scala

@@ -19,9 +19,6 @@ import scala.concurrent.Await
 import scala.concurrent.Future
 import scala.concurrent.duration._
 
-import org.scalatest.matchers.should.Matchers
-import org.scalatest.wordspec.AnyWordSpecLike
-
 import org.apache.pekko
 import pekko.Done
 import pekko.stream._
@@ -31,6 +28,9 @@ import pekko.stream.testkit.TestPublisher
 import pekko.stream.testkit.TestSubscriber
 import pekko.stream.testkit.Utils._
 
+import org.scalatest.matchers.should.Matchers
+import org.scalatest.wordspec.AnyWordSpecLike
+
 class TimeoutsSpec extends StreamSpec {
 
   "InitialTimeout" must {

stream-tests/src/test/scala/org/apache/pekko/stream/impl/fusing/ActorGraphInterpreterSpec.scala

@@ -19,10 +19,6 @@ import scala.concurrent.Await
 import scala.concurrent.Promise
 import scala.concurrent.duration._
 
-import org.reactivestreams.Publisher
-import org.reactivestreams.Subscriber
-import org.reactivestreams.Subscription
-
 import org.apache.pekko
 import pekko.Done
 import pekko.stream._
@@ -40,6 +36,10 @@ import pekko.stream.testkit.Utils._
 import pekko.testkit.EventFilter
 import pekko.testkit.TestLatch
 
+import org.reactivestreams.Publisher
+import org.reactivestreams.Subscriber
+import org.reactivestreams.Subscription
+
 class ActorGraphInterpreterSpec extends StreamSpec {
   "ActorGraphInterpreter" must {
 

stream-tests/src/test/scala/org/apache/pekko/stream/impl/io/TLSUtilsSpec.scala

@@ -15,13 +15,13 @@ package org.apache.pekko.stream.impl.io
 
 import javax.net.ssl.{ SSLContext, SSLEngine, SSLParameters }
 
-import org.scalatest.matchers.should.Matchers
-import org.scalatest.wordspec.AnyWordSpecLike
-
 import org.apache.pekko
 import pekko.stream.TLSClientAuth
 import pekko.stream.TLSProtocol.NegotiateNewSession
 
+import org.scalatest.matchers.should.Matchers
+import org.scalatest.wordspec.AnyWordSpecLike
+
 class TLSUtilsSpec extends AnyWordSpecLike with Matchers {
 
   "TlsUtils.applySessionParameters" must {

stream-tests/src/test/scala/org/apache/pekko/stream/io/DeprecatedTlsSpec.scala

@@ -26,8 +26,6 @@ import scala.concurrent.Future
 import scala.concurrent.duration._
 import scala.util.Random
 
-import com.typesafe.sslconfig.pekko.PekkoSSLConfig
-
 import org.apache.pekko
 import pekko.NotUsed
 import pekko.pattern.{ after => later }
@@ -42,6 +40,8 @@ import pekko.testkit.WithLogCapturing
 import pekko.util.ByteString
 import pekko.util.JavaVersion
 
+import com.typesafe.sslconfig.pekko.PekkoSSLConfig
+
 object DeprecatedTlsSpec {
 
   val rnd = new Random

stream-tests/src/test/scala/org/apache/pekko/stream/io/FileSinkSpec.scala

@@ -23,7 +23,6 @@ import scala.concurrent.duration._
 import scala.util.Success
 
 import com.google.common.jimfs.{ Configuration, Jimfs }
-import org.scalatest.concurrent.ScalaFutures
 
 import org.apache.pekko
 import pekko.dispatch.ExecutionContexts
@@ -35,6 +34,8 @@ import pekko.stream.testkit._
 import pekko.stream.testkit.Utils._
 import pekko.util.ByteString
 
+import org.scalatest.concurrent.ScalaFutures
+
 @nowarn
 class FileSinkSpec extends StreamSpec(UnboundedMailboxConfig) with ScalaFutures {
 

stream-tests/src/test/scala/org/apache/pekko/stream/io/OutputStreamSinkSpec.scala

@@ -18,8 +18,6 @@ import java.io.OutputStream
 import scala.annotation.nowarn
 import scala.util.Success
 
-import org.scalatest.concurrent.ScalaFutures
-
 import org.apache.pekko
 import pekko.Done
 import pekko.stream.{ ActorMaterializer, ActorMaterializerSettings, IOOperationIncompleteException }
@@ -29,6 +27,8 @@ import pekko.stream.testkit.Utils._
 import pekko.testkit.TestProbe
 import pekko.util.ByteString
 
+import org.scalatest.concurrent.ScalaFutures
+
 @nowarn
 class OutputStreamSinkSpec extends StreamSpec(UnboundedMailboxConfig) with ScalaFutures {
 

stream-tests/src/test/scala/org/apache/pekko/stream/io/TcpSpec.scala

@@ -25,11 +25,6 @@ import scala.concurrent.Future
 import scala.concurrent.Promise
 import scala.concurrent.duration._
 
-import com.typesafe.config.Config
-import com.typesafe.config.ConfigFactory
-import org.scalatest.concurrent.PatienceConfiguration
-import org.scalatest.concurrent.PatienceConfiguration.Timeout
-
 import org.apache.pekko
 import pekko.Done
 import pekko.NotUsed
@@ -59,6 +54,12 @@ import pekko.testkit.TestProbe
 import pekko.testkit.WithLogCapturing
 import pekko.util.ByteString
 
+import org.scalatest.concurrent.PatienceConfiguration
+import org.scalatest.concurrent.PatienceConfiguration.Timeout
+
+import com.typesafe.config.Config
+import com.typesafe.config.ConfigFactory
+
 @nowarn("msg=never used")
 class NonResolvingDnsActor(cache: SimpleDnsCache, config: Config) extends Actor {
   def receive = {
@@ -1021,12 +1022,12 @@ class TcpSpec extends StreamSpec("""
       import java.security.KeyStore
       import javax.net.ssl._
 
-      import com.typesafe.sslconfig.pekko.PekkoSSLConfig
-
       import org.apache.pekko
       import pekko.stream.TLSClientAuth
       import pekko.stream.TLSProtocol
 
+      import com.typesafe.sslconfig.pekko.PekkoSSLConfig
+
       val sslConfig = PekkoSSLConfig(system)
 
       // Don't hardcode your password in actual code

stream-tests/src/test/scala/org/apache/pekko/stream/io/compression/CodecSpecSupport.scala

@@ -13,15 +13,15 @@
 
 package org.apache.pekko.stream.io.compression
 
-import org.scalatest.BeforeAndAfterAll
-import org.scalatest.Suite
-import org.scalatest.matchers.should.Matchers
-
 import org.apache.pekko
 import pekko.actor.ActorSystem
 import pekko.testkit.TestKit
 import pekko.util.ByteString
 
+import org.scalatest.BeforeAndAfterAll
+import org.scalatest.Suite
+import org.scalatest.matchers.should.Matchers
+
 trait CodecSpecSupport extends Matchers with BeforeAndAfterAll { self: Suite =>
 
   def readAs(string: String, charset: String = "UTF8") =

stream-tests/src/test/scala/org/apache/pekko/stream/io/compression/CoderSpec.scala

@@ -22,15 +22,15 @@ import scala.concurrent.Await
 import scala.concurrent.duration._
 import scala.util.control.NoStackTrace
 
-import org.scalatest.Inspectors
-import org.scalatest.wordspec.AnyWordSpec
-
 import org.apache.pekko
 import pekko.NotUsed
 import pekko.stream.impl.io.compression.Compressor
 import pekko.stream.scaladsl.{ Compression, Flow, Sink, Source }
 import pekko.util.ByteString
 
+import org.scalatest.Inspectors
+import org.scalatest.wordspec.AnyWordSpec
+
 abstract class CoderSpec(codecName: String) extends AnyWordSpec with CodecSpecSupport with Inspectors {
   import CompressionTestingTools._
 

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/ActorRefSourceSpec.scala

@@ -16,8 +16,6 @@ package org.apache.pekko.stream.scaladsl
 import scala.annotation.nowarn
 import scala.concurrent.duration._
 
-import org.reactivestreams.Publisher
-
 import org.apache.pekko
 import pekko.Done
 import pekko.actor.{ ActorRef, Status }
@@ -26,6 +24,8 @@ import pekko.stream.testkit._
 import pekko.stream.testkit.Utils._
 import pekko.stream.testkit.scaladsl._
 
+import org.reactivestreams.Publisher
+
 @nowarn("msg=deprecated")
 class ActorRefSourceSpec extends StreamSpec {
 

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/AggregateWithBoundarySpec.scala

@@ -17,16 +17,17 @@ import scala.collection.mutable.ListBuffer
 import scala.concurrent.Await
 import scala.concurrent.duration._
 
-import com.typesafe.config.{ ConfigFactory, ConfigValueFactory }
-import org.scalatest.matchers.should.Matchers
-import org.scalatest.wordspec.AnyWordSpecLike
-
 import org.apache.pekko
 import pekko.actor.ActorSystem
 import pekko.stream.OverflowStrategy
 import pekko.stream.testkit.{ StreamSpec, TestPublisher, TestSubscriber }
 import pekko.testkit.{ ExplicitlyTriggeredScheduler, PekkoSpec }
 
+import org.scalatest.matchers.should.Matchers
+import org.scalatest.wordspec.AnyWordSpecLike
+
+import com.typesafe.config.{ ConfigFactory, ConfigValueFactory }
+
 class AggregateWithBoundarySpec extends StreamSpec {
 
   "split aggregator by size" in {

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/AttributesSpec.scala

@@ -14,22 +14,24 @@
 package org.apache.pekko.stream.scaladsl
 
 import java.util.concurrent.{ CompletionStage, TimeUnit }
+
 import scala.annotation.nowarn
 
-import com.typesafe.config.ConfigFactory
 import org.apache.pekko
 import pekko.{ Done, NotUsed }
 import pekko.actor.ActorSystem
 import pekko.dispatch.Dispatchers
-import pekko.stream.ActorAttributes.Dispatcher
 import pekko.stream._
+import pekko.stream.ActorAttributes.Dispatcher
 import pekko.stream.Attributes._
 import pekko.stream.javadsl
-import pekko.stream.stage._
 import pekko.stream.snapshot.MaterializerState
+import pekko.stream.stage._
 import pekko.stream.testkit._
 import pekko.testkit.TestKit
 
+import com.typesafe.config.ConfigFactory
+
 object AttributesSpec {
 
   class AttributesSource(_initialAttributes: Attributes = Attributes.none)

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/CoupledTerminationFlowSpec.scala

@@ -19,11 +19,6 @@ import scala.util.Success
 import scala.util.Try
 import scala.xml.Node
 
-import org.reactivestreams.Publisher
-import org.reactivestreams.Subscriber
-import org.reactivestreams.Subscription
-import org.scalatest.Assertion
-
 import org.apache.pekko
 import pekko.Done
 import pekko.NotUsed
@@ -32,6 +27,12 @@ import pekko.stream.testkit._
 import pekko.stream.testkit.scaladsl.TestSource
 import pekko.testkit.TestProbe
 
+import org.reactivestreams.Publisher
+import org.reactivestreams.Subscriber
+import org.reactivestreams.Subscription
+
+import org.scalatest.Assertion
+
 class CoupledTerminationFlowSpec extends StreamSpec("""
     pekko.stream.materializer.initial-input-buffer-size = 2
   """) with ScriptedTest {

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/FlowAppendSpec.scala

@@ -13,14 +13,15 @@
 
 package org.apache.pekko.stream.scaladsl
 
-import org.reactivestreams.Subscriber
-import org.scalatest.matchers.should.Matchers
-
 import org.apache.pekko
 import pekko.actor.ActorSystem
 import pekko.stream.testkit.StreamSpec
 import pekko.stream.testkit.TestSubscriber
 
+import org.reactivestreams.Subscriber
+
+import org.scalatest.matchers.should.Matchers
+
 class FlowAppendSpec extends StreamSpec with River {
 
   "Flow" should {

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/FlowCompileSpec.scala

@@ -17,12 +17,12 @@ import scala.annotation.nowarn
 import scala.collection.immutable.Seq
 import scala.concurrent.Future
 
-import org.reactivestreams.Publisher
-
 import org.apache.pekko
 import pekko.NotUsed
 import pekko.stream.testkit.StreamSpec
 
+import org.reactivestreams.Publisher
+
 @nowarn // unused vars are used in shouldNot compile tests
 class FlowCompileSpec extends StreamSpec {
 

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/FlowConcatAllLazySpec.scala

@@ -13,14 +13,15 @@
 
 package org.apache.pekko.stream.scaladsl
 
+import java.util.StringJoiner
+import java.util.concurrent.atomic.AtomicBoolean
+
+import scala.util.control.NoStackTrace
+
 import org.apache.pekko
 import pekko.stream.testkit._
 import pekko.stream.testkit.scaladsl.TestSink
 
-import java.util.StringJoiner
-import java.util.concurrent.atomic.AtomicBoolean
-import scala.util.control.NoStackTrace
-
 class FlowConcatAllLazySpec extends StreamSpec("""
     pekko.stream.materializer.initial-input-buffer-size = 2
     pekko.stream.materializer.max-input-buffer-size = 2

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/FlowConcatSpec.scala

@@ -19,9 +19,6 @@ import scala.concurrent.Await
 import scala.concurrent.Promise
 import scala.concurrent.duration._
 
-import org.reactivestreams.Publisher
-import org.scalatest.concurrent.ScalaFutures
-
 import org.apache.pekko
 import pekko.NotUsed
 import pekko.stream.testkit.BaseTwoStreamsSetup
@@ -30,6 +27,10 @@ import pekko.stream.testkit.TestSubscriber
 import pekko.stream.testkit.scaladsl.StreamTestKit._
 import pekko.stream.testkit.scaladsl.TestSink
 
+import org.reactivestreams.Publisher
+
+import org.scalatest.concurrent.ScalaFutures
+
 abstract class AbstractFlowConcatSpec extends BaseTwoStreamsSetup {
 
   override type Outputs = Int

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/FlowDelaySpec.scala

@@ -17,10 +17,6 @@ import scala.concurrent.Await
 import scala.concurrent.duration._
 import scala.util.control.NoStackTrace
 
-import org.scalatest.concurrent.PatienceConfiguration
-import org.scalatest.time.Milliseconds
-import org.scalatest.time.Span
-
 import org.apache.pekko
 import pekko.Done
 import pekko.stream._
@@ -33,6 +29,10 @@ import pekko.stream.testkit.scaladsl.TestSink
 import pekko.testkit.TestDuration
 import pekko.testkit.TimingTest
 
+import org.scalatest.concurrent.PatienceConfiguration
+import org.scalatest.time.Milliseconds
+import org.scalatest.time.Span
+
 class FlowDelaySpec extends StreamSpec {
 
   "A Delay" must {

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/FlowFlattenMergeSpec.scala

@@ -16,8 +16,6 @@ package org.apache.pekko.stream.scaladsl
 import scala.concurrent._
 import scala.concurrent.duration._
 
-import org.scalatest.exceptions.TestFailedException
-
 import org.apache.pekko
 import pekko.NotUsed
 import pekko.stream._
@@ -33,6 +31,8 @@ import pekko.stream.testkit.scaladsl.TestSink
 import pekko.testkit.TestLatch
 import pekko.util.OptionVal
 
+import org.scalatest.exceptions.TestFailedException
+
 class FlowFlattenMergeSpec extends StreamSpec {
   import system.dispatcher
 

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/FlowFoldAsyncSpec.scala

@@ -19,8 +19,6 @@ import scala.concurrent.Future
 import scala.concurrent.duration._
 import scala.util.control.NoStackTrace
 
-import org.scalatest.concurrent.PatienceConfiguration.Timeout
-
 import org.apache.pekko
 import pekko.NotUsed
 import pekko.stream.ActorAttributes.supervisionStrategy
@@ -31,6 +29,8 @@ import pekko.stream.testkit._
 import pekko.stream.testkit.Utils._
 import pekko.testkit.LongRunningTest
 
+import org.scalatest.concurrent.PatienceConfiguration.Timeout
+
 class FlowFoldAsyncSpec extends StreamSpec {
 
   implicit def ec: ExecutionContextExecutor = system.dispatcher

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/FlowGroupBySpec.scala

@@ -22,9 +22,6 @@ import scala.concurrent.Await
 import scala.concurrent.Promise
 import scala.concurrent.duration._
 
-import org.reactivestreams.Publisher
-import org.scalatest.concurrent.PatienceConfiguration.Timeout
-
 import org.apache.pekko
 import pekko.Done
 import pekko.NotUsed
@@ -41,6 +38,10 @@ import pekko.stream.testkit.scaladsl.TestSource
 import pekko.testkit.TestLatch
 import pekko.util.ByteString
 
+import org.reactivestreams.Publisher
+
+import org.scalatest.concurrent.PatienceConfiguration.Timeout
+
 object FlowGroupBySpec {
 
   implicit class Lift[M](val f: SubFlow[Int, M, Source[Int, M]#Repr, RunnableGraph[M]]) extends AnyVal {

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/FlowInterleaveAllSpec.scala

@@ -13,13 +13,13 @@
 
 package org.apache.pekko.stream.scaladsl
 
+import java.util.StringJoiner
+
 import org.apache.pekko
 import pekko.stream.testkit._
 import pekko.stream.testkit.scaladsl.StreamTestKit._
 import pekko.stream.testkit.scaladsl.TestSink
 
-import java.util.StringJoiner
-
 class FlowInterleaveAllSpec extends StreamSpec("""
     pekko.stream.materializer.initial-input-buffer-size = 2
     pekko.stream.materializer.max-input-buffer-size = 2

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/FlowInterleaveSpec.scala

@@ -13,12 +13,12 @@
 
 package org.apache.pekko.stream.scaladsl
 
-import org.reactivestreams.Publisher
-
 import org.apache.pekko
 import pekko.stream.testkit._
 import pekko.stream.testkit.scaladsl.StreamTestKit._
 
+import org.reactivestreams.Publisher
+
 class FlowInterleaveSpec extends BaseTwoStreamsSetup {
 
   override type Outputs = Int

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/FlowJoinSpec.scala

@@ -15,14 +15,14 @@ package org.apache.pekko.stream.scaladsl
 
 import scala.collection.immutable
 
-import org.scalatest.time._
-
 import org.apache.pekko
 import pekko.stream.FlowShape
 import pekko.stream.OverflowStrategy
 import pekko.stream.testkit._
 import pekko.stream.testkit.scaladsl._
 
+import org.scalatest.time._
+
 class FlowJoinSpec extends StreamSpec("""
     pekko.stream.materializer.initial-input-buffer-size = 2
   """) {

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/FlowMapAsyncSpec.scala

@@ -24,8 +24,6 @@ import scala.concurrent.Promise
 import scala.concurrent.duration._
 import scala.util.control.NoStackTrace
 
-import org.scalatest.concurrent.PatienceConfiguration.Timeout
-
 import org.apache.pekko
 import pekko.stream.ActorAttributes
 import pekko.stream.ActorAttributes.supervisionStrategy
@@ -37,6 +35,8 @@ import pekko.stream.testkit.scaladsl.TestSink
 import pekko.testkit.TestLatch
 import pekko.testkit.TestProbe
 
+import org.scalatest.concurrent.PatienceConfiguration.Timeout
+
 class FlowMapAsyncSpec extends StreamSpec {
 
   "A Flow with mapAsync" must {

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/FlowMapAsyncUnorderedSpec.scala

@@ -23,8 +23,6 @@ import scala.concurrent.Promise
 import scala.concurrent.duration._
 import scala.util.control.NoStackTrace
 
-import org.scalatest.concurrent.PatienceConfiguration.Timeout
-
 import org.apache.pekko
 import pekko.stream.ActorAttributes.supervisionStrategy
 import pekko.stream.Supervision.resumingDecider
@@ -33,6 +31,8 @@ import pekko.stream.testkit.scaladsl._
 import pekko.testkit.TestLatch
 import pekko.testkit.TestProbe
 
+import org.scalatest.concurrent.PatienceConfiguration.Timeout
+
 class FlowMapAsyncUnorderedSpec extends StreamSpec {
 
   "A Flow with mapAsyncUnordered" must {

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/FlowMergeSpec.scala

@@ -13,12 +13,12 @@
 
 package org.apache.pekko.stream.scaladsl
 
-import org.reactivestreams.Publisher
-
 import org.apache.pekko
 import pekko.stream.testkit._
 import pekko.stream.testkit.scaladsl.StreamTestKit._
 
+import org.reactivestreams.Publisher
+
 class FlowMergeSpec extends BaseTwoStreamsSetup {
 
   override type Outputs = Int

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/FlowOnErrorCompleteSpec.scala

@@ -17,12 +17,13 @@
 
 package org.apache.pekko.stream.scaladsl
 
-import org.apache.pekko.stream.testkit.StreamSpec
-import org.apache.pekko.stream.testkit.scaladsl.TestSink
-
 import scala.concurrent.TimeoutException
 import scala.util.control.NoStackTrace
 
+import org.apache.pekko
+import pekko.stream.testkit.StreamSpec
+import pekko.stream.testkit.scaladsl.TestSink
+
 class FlowOnErrorCompleteSpec extends StreamSpec {
   val ex = new RuntimeException("ex") with NoStackTrace
 

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/FlowScanAsyncSpec.scala

@@ -20,8 +20,6 @@ import scala.concurrent.Promise
 import scala.concurrent.duration._
 import scala.util.Failure
 
-import org.scalatest.matchers.should.Matchers
-
 import org.apache.pekko
 import pekko.pattern
 import pekko.stream.ActorAttributes
@@ -32,6 +30,8 @@ import pekko.stream.testkit.TestSubscriber.Probe
 import pekko.stream.testkit.Utils.TE
 import pekko.stream.testkit.scaladsl._
 
+import org.scalatest.matchers.should.Matchers
+
 class FlowScanAsyncSpec extends StreamSpec with Matchers {
 
   implicit val executionContext: ExecutionContextExecutor = system.dispatcher

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/FlowSpec.scala

@@ -14,13 +14,14 @@
 package org.apache.pekko.stream.scaladsl
 
 import java.util.concurrent.ThreadLocalRandom
+import java.util.concurrent.atomic.AtomicLong
+
+import scala.annotation.nowarn
 import scala.collection.immutable
 import scala.concurrent.Await
 import scala.concurrent.duration._
 import scala.util.control.NoStackTrace
-import scala.annotation.nowarn
+
-import com.typesafe.config.ConfigFactory
-import org.reactivestreams.{ Publisher, Subscriber }
 import org.apache.pekko
 import pekko.NotUsed
 import pekko.stream._
@@ -30,7 +31,9 @@ import pekko.stream.testkit._
 import pekko.stream.testkit.scaladsl.{ TestSink, TestSource }
 import pekko.testkit.TestDuration
 
-import java.util.concurrent.atomic.AtomicLong
+import org.reactivestreams.{ Publisher, Subscriber }
+
+import com.typesafe.config.ConfigFactory
 
 object FlowSpec {
   class Fruit extends Serializable

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/FlowSplitAfterSpec.scala

@@ -16,8 +16,6 @@ package org.apache.pekko.stream.scaladsl
 import scala.concurrent.Await
 import scala.concurrent.duration._
 
-import org.reactivestreams.Publisher
-
 import org.apache.pekko
 import pekko.NotUsed
 import pekko.stream._
@@ -29,6 +27,8 @@ import pekko.stream.testkit.TestPublisher
 import pekko.stream.testkit.TestSubscriber
 import pekko.stream.testkit.Utils._
 
+import org.reactivestreams.Publisher
+
 object FlowSplitAfterSpec {
 
   implicit class Lift[M](val f: SubFlow[Int, M, Source[Int, M]#Repr, RunnableGraph[M]]) extends AnyVal {

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/FlowSplitWhenSpec.scala

@@ -17,8 +17,6 @@ import scala.concurrent.Await
 import scala.concurrent.Future
 import scala.concurrent.duration._
 
-import org.reactivestreams.Publisher
-
 import org.apache.pekko
 import pekko.Done
 import pekko.NotUsed
@@ -30,6 +28,8 @@ import pekko.stream.testkit._
 import pekko.stream.testkit.Utils._
 import pekko.stream.testkit.scaladsl.TestSink
 
+import org.reactivestreams.Publisher
+
 class FlowSplitWhenSpec extends StreamSpec("""
     pekko.stream.materializer.initial-input-buffer-size = 2
     pekko.stream.materializer.max-input-buffer-size = 2

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/FlowStatefulMapConcatSpec.scala

@@ -13,6 +13,7 @@
 
 package org.apache.pekko.stream.scaladsl
 
+import scala.annotation.nowarn
 import scala.util.control.NoStackTrace
 
 import org.apache.pekko
@@ -21,8 +22,6 @@ import pekko.stream.Supervision
 import pekko.stream.testkit._
 import pekko.stream.testkit.scaladsl.TestSink
 
-import scala.annotation.nowarn
-
 @nowarn("msg=deprecated")
 class FlowStatefulMapConcatSpec extends StreamSpec("""
     pekko.stream.materializer.initial-input-buffer-size = 2

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/FlowZipAllSpec.scala

@@ -13,12 +13,12 @@
 
 package org.apache.pekko.stream.scaladsl
 
-import org.reactivestreams.Publisher
-
 import org.apache.pekko
 import pekko.stream.testkit.{ BaseTwoStreamsSetup, TestSubscriber }
 import pekko.stream.testkit.scaladsl.StreamTestKit._
 
+import org.reactivestreams.Publisher
+
 class FlowZipAllSpec extends BaseTwoStreamsSetup {
   override type Outputs = (Int, Int)
 

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/ForComprehensionsCompileSpec.scala

@@ -17,16 +17,17 @@
 
 package org.apache.pekko.stream.scaladsl
 
+import java.util.concurrent.CopyOnWriteArrayList
+
+import scala.concurrent.Await
+import scala.concurrent.duration.DurationInt
+
 import org.apache.pekko
 import pekko.Done
 import pekko.japi.Util
 import pekko.stream.testkit.StreamSpec
 import pekko.stream.testkit.scaladsl.TestSink
 
-import java.util.concurrent.CopyOnWriteArrayList
-import scala.concurrent.Await
-import scala.concurrent.duration.DurationInt
-
 class ForComprehensionsCompileSpec extends StreamSpec {
   "A Source" must {
     "be able to be used in a for comprehension which yield" in {

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/GraphBackedFlowSpec.scala

@@ -15,14 +15,14 @@ package org.apache.pekko.stream.scaladsl
 
 import scala.annotation.nowarn
 
-import org.reactivestreams.Subscriber
-
 import org.apache.pekko
 import pekko.stream._
 import pekko.stream.ActorMaterializer
 import pekko.stream.ActorMaterializerSettings
 import pekko.stream.testkit._
 
+import org.reactivestreams.Subscriber
+
 object GraphFlowSpec {
   val source1 = Source(0 to 3)
 

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/GraphUnzipWithSpec.scala

@@ -17,8 +17,6 @@ import scala.concurrent.Future
 import scala.concurrent.duration._
 import scala.util.control.NoStackTrace
 
-import org.reactivestreams.Publisher
-
 import org.apache.pekko
 import pekko.Done
 import pekko.NotUsed
@@ -30,6 +28,8 @@ import pekko.testkit.EventFilter
 import pekko.testkit.TestProbe
 import pekko.util.unused
 
+import org.reactivestreams.Publisher
+
 class GraphUnzipWithSpec extends StreamSpec("""
     pekko.stream.materializer.initial-input-buffer-size = 2
   """) {

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/GraphZipLatestSpec.scala

@@ -17,7 +17,6 @@ import scala.concurrent.duration._
 import scala.language.postfixOps
 
 import org.scalacheck.Gen
-import org.scalatest.concurrent.ScalaFutures
 import org.scalatestplus.scalacheck.ScalaCheckPropertyChecks
 
 import org.apache.pekko
@@ -29,6 +28,8 @@ import pekko.stream.testkit.TestSubscriber
 import pekko.stream.testkit.scaladsl.TestSink
 import pekko.stream.testkit.scaladsl.TestSource
 
+import org.scalatest.concurrent.ScalaFutures
+
 object GraphZipLatestSpec {
   val someString = "someString"
   val someInt = 1

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/GraphZipLatestWithSpec.scala

@@ -16,13 +16,13 @@ package org.apache.pekko.stream.scaladsl
 import scala.concurrent.duration._
 import scala.language.postfixOps
 
-import org.reactivestreams.Publisher
-
 import org.apache.pekko
 import pekko.stream._
 import pekko.stream.testkit._
 import pekko.testkit.EventFilter
 
+import org.reactivestreams.Publisher
+
 class GraphZipLatestWithSpec extends TwoStreamsSetup {
   import GraphDSL.Implicits._
 

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/LazilyAsyncSpec.scala

@@ -18,14 +18,14 @@ import java.util.concurrent.atomic.AtomicBoolean
 import scala.annotation.nowarn
 import scala.concurrent.Future
 
-import org.scalatest.concurrent.ScalaFutures
-
 import org.apache.pekko
 import pekko.Done
 import pekko.stream.testkit.StreamSpec
 import pekko.stream.testkit.TestSubscriber
 import pekko.testkit.DefaultTimeout
 
+import org.scalatest.concurrent.ScalaFutures
+
 @nowarn("msg=deprecated") // tests deprecated methods
 class LazilyAsyncSpec extends StreamSpec with DefaultTimeout with ScalaFutures {
 

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/LazySourceSpec.scala

@@ -19,8 +19,6 @@ import scala.collection.immutable.Seq
 import scala.concurrent.Future
 import scala.concurrent.Promise
 
-import org.scalatest.concurrent.ScalaFutures
-
 import org.apache.pekko
 import pekko.Done
 import pekko.NotUsed
@@ -36,6 +34,8 @@ import pekko.stream.testkit.Utils.TE
 import pekko.testkit.DefaultTimeout
 import pekko.testkit.TestProbe
 
+import org.scalatest.concurrent.ScalaFutures
+
 class LazySourceSpec extends StreamSpec with DefaultTimeout with ScalaFutures {
 
   import system.dispatcher

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/QueueSourceSpec.scala

@@ -17,8 +17,6 @@ import scala.annotation.nowarn
 import scala.concurrent._
 import scala.concurrent.duration._
 
-import org.scalatest.time.Span
-
 import org.apache.pekko
 import pekko.Done
 import pekko.actor.Status
@@ -32,6 +30,8 @@ import pekko.stream.testkit.TestSubscriber
 import pekko.stream.testkit.scaladsl.TestSink
 import pekko.testkit.TestProbe
 
+import org.scalatest.time.Span
+
 class QueueSourceSpec extends StreamSpec {
   implicit val ec: ExecutionContextExecutor = system.dispatcher
   val pause = 300.millis

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/RetryFlowSpec.scala

@@ -16,14 +16,14 @@ package org.apache.pekko.stream.scaladsl
 import scala.concurrent.duration._
 import scala.util.{ Failure, Success, Try }
 
-import org.scalatest.matchers.{ MatchResult, Matcher }
-
 import org.apache.pekko
 import pekko.NotUsed
 import pekko.stream.OverflowStrategy
 import pekko.stream.testkit.{ StreamSpec, TestPublisher, TestSubscriber }
 import pekko.stream.testkit.scaladsl.{ TestSink, TestSource }
 
+import org.scalatest.matchers.{ MatchResult, Matcher }
+
 class RetryFlowSpec extends StreamSpec("""
     pekko.stream.materializer.initial-input-buffer-size = 1
     pekko.stream.materializer.max-input-buffer-size = 1

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/SinkSpec.scala

@@ -18,7 +18,6 @@ import scala.concurrent.{ Await, Future }
 import scala.concurrent.duration._
 
 import org.apache.pekko
-import org.scalatest.concurrent.ScalaFutures
 import pekko.Done
 import pekko.stream._
 import pekko.stream.testkit._
@@ -27,6 +26,8 @@ import pekko.testkit.DefaultTimeout
 
 import org.reactivestreams.Publisher
 
+import org.scalatest.concurrent.ScalaFutures
+
 class SinkSpec extends StreamSpec with DefaultTimeout with ScalaFutures {
 
   import GraphDSL.Implicits._

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/SourceFromPublisherSpec.scala

@@ -13,15 +13,15 @@
 
 package org.apache.pekko.stream.scaladsl
 
-import org.scalatest.matchers.should.Matchers
-import org.scalatest.wordspec.AsyncWordSpecLike
-
 import org.apache.pekko
 import pekko.actor.ActorSystem
 import pekko.stream.Attributes
 import pekko.stream.testkit.TestPublisher
 import pekko.testkit.TestKit
 
+import org.scalatest.matchers.should.Matchers
+import org.scalatest.wordspec.AsyncWordSpecLike
+
 class SourceFromPublisherSpec
     extends TestKit(ActorSystem("source-from-publisher-spec"))
     with AsyncWordSpecLike

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/StreamConvertersSpec.scala

@@ -26,9 +26,6 @@ import java.util.stream.Collectors
 import scala.concurrent.Await
 import scala.concurrent.duration._
 
-import org.scalatest.time.Millis
-import org.scalatest.time.Span
-
 import org.apache.pekko
 import pekko.stream.ActorAttributes
 import pekko.stream.testkit.StreamSpec
@@ -36,6 +33,9 @@ import pekko.stream.testkit.Utils.TE
 import pekko.testkit.DefaultTimeout
 import pekko.util.ByteString
 
+import org.scalatest.time.Millis
+import org.scalatest.time.Span
+
 class StreamConvertersSpec extends StreamSpec with DefaultTimeout {
 
   implicit val config: PatienceConfig = PatienceConfig(timeout = Span(timeout.duration.toMillis, Millis))

stream-tests/src/test/scala/org/apache/pekko/stream/scaladsl/StreamRefsSpec.scala

@@ -19,8 +19,6 @@ import scala.concurrent.Promise
 import scala.concurrent.duration._
 import scala.util.control.NoStackTrace
 
-import com.typesafe.config._
-
 import org.apache.pekko
 import pekko.{ Done, NotUsed }
 import pekko.actor.{ Actor, ActorIdentity, ActorLogging, ActorRef, ActorSystem, ActorSystemImpl, Identify, Props }
@@ -34,6 +32,8 @@ import pekko.stream.testkit.scaladsl._
 import pekko.testkit.{ PekkoSpec, TestKit, TestProbe }
 import pekko.util.ByteString
 
+import com.typesafe.config._
+
 object StreamRefsSpec {
 
   object DataSourceActor {

stream/src/main/scala/com/typesafe/sslconfig/pekko/PekkoSSLConfig.scala

@@ -15,14 +15,17 @@ package com.typesafe.sslconfig.pekko
 
 import java.util.Collections
 import javax.net.ssl._
-import com.typesafe.sslconfig.pekko.util.PekkoLoggerFactory
+
-import com.typesafe.sslconfig.ssl._
+import scala.annotation.nowarn
-import com.typesafe.sslconfig.util.LoggerFactory
+
 import org.apache.pekko
 import pekko.actor._
 import pekko.annotation.InternalApi
 import pekko.event.Logging
-import scala.annotation.nowarn
+
+import com.typesafe.sslconfig.pekko.util.PekkoLoggerFactory
+import com.typesafe.sslconfig.ssl._
+import com.typesafe.sslconfig.util.LoggerFactory
 
 @deprecated("Use Tcp and TLS with SSLEngine parameters instead. Setup the SSLEngine with needed parameters.",
   "Akka 2.6.0")

stream/src/main/scala/com/typesafe/sslconfig/pekko/util/PekkoLoggerBridge.scala

@@ -13,13 +13,13 @@
 
 package com.typesafe.sslconfig.pekko.util
 
-import com.typesafe.sslconfig.util.{ LoggerFactory, NoDepsLogger }
-
 import org.apache.pekko
 import pekko.actor.ActorSystem
 import pekko.event.{ DummyClassForStringSources, EventStream }
 import pekko.event.Logging._
 
+import com.typesafe.sslconfig.util.{ LoggerFactory, NoDepsLogger }
+
 final class PekkoLoggerFactory(system: ActorSystem) extends LoggerFactory {
   override def apply(clazz: Class[_]): NoDepsLogger = new PekkoLoggerBridge(system.eventStream, clazz)
 

stream/src/main/scala/org/apache/pekko/stream/ActorMaterializer.scala

@@ -15,13 +15,10 @@ package org.apache.pekko.stream
 
 import java.util.concurrent.TimeUnit
 
+import scala.annotation.nowarn
 import scala.concurrent.duration._
 import scala.util.control.NoStackTrace
 
-import scala.annotation.nowarn
-import com.typesafe.config.Config
-import com.typesafe.config.ConfigFactory
-
 import org.apache.pekko
 import pekko.actor.ActorContext
 import pekko.actor.ActorRef
@@ -36,6 +33,9 @@ import pekko.stream.impl._
 import pekko.stream.stage.GraphStageLogic
 import pekko.util.Helpers.toRootLowerCase
 
+import com.typesafe.config.Config
+import com.typesafe.config.ConfigFactory
+
 object ActorMaterializer {
 
   /**

stream/src/main/scala/org/apache/pekko/stream/IOResult.scala

@@ -13,11 +13,10 @@
 
 package org.apache.pekko.stream
 
+import scala.annotation.nowarn
 import scala.util.{ Failure, Success, Try }
 import scala.util.control.NoStackTrace
 
-import scala.annotation.nowarn
-
 import org.apache.pekko
 import pekko.Done
 

stream/src/main/scala/org/apache/pekko/stream/MapAsyncPartitioned.scala

@@ -19,8 +19,8 @@ package org.apache.pekko.stream
 
 import scala.collection.mutable
 import scala.concurrent.Future
-import scala.util.control.{ NoStackTrace, NonFatal }
 import scala.util.{ Failure, Success, Try }
+import scala.util.control.{ NoStackTrace, NonFatal }
 
 import org.apache.pekko
 import pekko.annotation.InternalApi

stream/src/main/scala/org/apache/pekko/stream/Materializer.scala

@@ -13,11 +13,10 @@
 
 package org.apache.pekko.stream
 
+import scala.annotation.{ implicitNotFound, nowarn }
 import scala.concurrent.ExecutionContextExecutor
 import scala.concurrent.duration.FiniteDuration
 
-import scala.annotation.{ implicitNotFound, nowarn }
-
 import org.apache.pekko
 import pekko.actor.ActorRef
 import pekko.actor.ActorSystem

stream/src/main/scala/org/apache/pekko/stream/RestartSettings.scala

@@ -14,6 +14,7 @@
 package org.apache.pekko.stream
 
 import scala.concurrent.duration.FiniteDuration
+
 import org.apache.pekko
 import pekko.event.Logging
 import pekko.event.Logging.LogLevel

stream/src/main/scala/org/apache/pekko/stream/StreamRefSettings.scala

@@ -15,16 +15,16 @@ package org.apache.pekko.stream
 
 import java.util.concurrent.TimeUnit
 
-import scala.concurrent.duration._
-
 import scala.annotation.nowarn
-import com.typesafe.config.Config
+import scala.concurrent.duration._
 
 import org.apache.pekko
 import pekko.actor.ActorSystem
 import pekko.annotation.DoNotInherit
 import pekko.stream.impl.streamref.StreamRefSettingsImpl
 
+import com.typesafe.config.Config
+
 @nowarn("msg=deprecated")
 object StreamRefSettings {
 

stream/src/main/scala/org/apache/pekko/stream/StreamTimeoutException.scala

@@ -17,12 +17,12 @@
 
 package org.apache.pekko.stream
 
-import org.apache.pekko
-import pekko.annotation.DoNotInherit
-
 import scala.concurrent.TimeoutException
 import scala.util.control.NoStackTrace
 
+import org.apache.pekko
+import pekko.annotation.DoNotInherit
+
 /**
  * Base class for timeout exceptions specific to Pekko Streams
  *

stream/src/main/scala/org/apache/pekko/stream/SubscriptionWithCancelException.scala

@@ -15,10 +15,10 @@ package org.apache.pekko.stream
 
 import scala.util.control.NoStackTrace
 
-import org.reactivestreams.Subscription
-
 import org.apache.pekko.annotation.DoNotInherit
 
+import org.reactivestreams.Subscription
+
 /**
  * Extension of Subscription that allows to pass a cause when a subscription is cancelled.
  *

stream/src/main/scala/org/apache/pekko/stream/SubstreamCancelStrategy.scala

@@ -13,10 +13,10 @@
 
 package org.apache.pekko.stream
 
-import SubstreamCancelStrategies._
-
 import scala.annotation.nowarn
 
+import SubstreamCancelStrategies._
+
 /**
  * Represents a strategy that decides how to deal with substream events.
  */

stream/src/main/scala/org/apache/pekko/stream/SystemMaterializer.scala

@@ -13,11 +13,10 @@
 
 package org.apache.pekko.stream
 
+import scala.annotation.nowarn
 import scala.concurrent.Await
 import scala.concurrent.Promise
 
-import scala.annotation.nowarn
-
 import org.apache.pekko
 import pekko.actor.ActorSystem
 import pekko.actor.ClassicActorSystemProvider

stream/src/main/scala/org/apache/pekko/stream/impl/ActorMaterializerImpl.scala

@@ -15,10 +15,11 @@ package org.apache.pekko.stream.impl
 
 import java.util.concurrent.atomic.AtomicBoolean
 
+import scala.annotation.nowarn
 import scala.collection.immutable
 import scala.concurrent.ExecutionContextExecutor
 import scala.concurrent.duration._
-import scala.annotation.nowarn
+
 import org.apache.pekko
 import pekko.actor._
 import pekko.annotation.DoNotInherit

stream/src/main/scala/org/apache/pekko/stream/impl/ActorProcessor.scala

@@ -13,8 +13,6 @@
 
 package org.apache.pekko.stream.impl
 
-import org.reactivestreams.{ Processor, Subscriber, Subscription }
-
 import org.apache.pekko
 import pekko.actor._
 import pekko.annotation.InternalApi
@@ -24,6 +22,8 @@ import pekko.stream.ActorAttributes
 import pekko.stream.impl.ActorSubscriberMessage.{ OnComplete, OnError, OnNext, OnSubscribe }
 import pekko.util.unused
 
+import org.reactivestreams.{ Processor, Subscriber, Subscription }
+
 /**
  * INTERNAL API
  */

stream/src/main/scala/org/apache/pekko/stream/impl/ActorPublisher.scala

@@ -19,13 +19,13 @@ import scala.annotation.tailrec
 import scala.collection.immutable
 import scala.util.control.NoStackTrace
 
-import org.reactivestreams.{ Publisher, Subscriber }
-import org.reactivestreams.Subscription
-
 import org.apache.pekko
 import pekko.actor.{ Actor, ActorRef, Terminated }
 import pekko.annotation.InternalApi
 
+import org.reactivestreams.{ Publisher, Subscriber }
+import org.reactivestreams.Subscription
+
 /**
  * INTERNAL API
  */

stream/src/main/scala/org/apache/pekko/stream/impl/ActorRefBackpressureSinkStage.scala

@@ -13,16 +13,16 @@
 
 package org.apache.pekko.stream.impl
 
+import java.util
+
 import org.apache.pekko
 import pekko.actor._
 import pekko.annotation.InternalApi
-import pekko.stream.Attributes.InputBuffer
 import pekko.stream._
+import pekko.stream.Attributes.InputBuffer
 import pekko.stream.impl.Stages.DefaultAttributes
 import pekko.stream.stage._
 
-import java.util
-
 /**
  * INTERNAL API
  */

stream/src/main/scala/org/apache/pekko/stream/impl/ActorSubscriberMessage.scala

@@ -13,13 +13,13 @@
 
 package org.apache.pekko.stream.impl
 
-import org.reactivestreams.Subscription
-
 import org.apache.pekko
 import pekko.actor.DeadLetterSuppression
 import pekko.actor.NoSerializationVerificationNeeded
 import pekko.annotation.InternalApi
 
+import org.reactivestreams.Subscription
+
 /**
  * INTERNAL API
  */

stream/src/main/scala/org/apache/pekko/stream/impl/Buffers.scala

@@ -14,6 +14,7 @@
 package org.apache.pekko.stream.impl
 
 import java.{ util => ju }
+
 import org.apache.pekko
 import pekko.annotation.{ InternalApi, InternalStableApi }
 import pekko.stream._

stream/src/main/scala/org/apache/pekko/stream/impl/CompletedPublishers.scala

@@ -13,10 +13,10 @@
 
 package org.apache.pekko.stream.impl
 
-import org.reactivestreams.{ Publisher, Subscriber, Subscription }
-
 import org.apache.pekko.annotation.InternalApi
 
+import org.reactivestreams.{ Publisher, Subscriber, Subscription }
+
 /**
  * INTERNAL API
  */

stream/src/main/scala/org/apache/pekko/stream/impl/FanIn.scala

@@ -13,8 +13,6 @@
 
 package org.apache.pekko.stream.impl
 
-import org.reactivestreams.{ Subscriber, Subscription }
-
 import org.apache.pekko
 import pekko.actor._
 import pekko.annotation.{ DoNotInherit, InternalApi }
@@ -23,6 +21,8 @@ import pekko.stream.ActorAttributes
 import pekko.stream.Attributes
 import pekko.util.unused
 
+import org.reactivestreams.{ Subscriber, Subscription }
+
 /**
  * INTERNAL API
  */

stream/src/main/scala/org/apache/pekko/stream/impl/FanOut.scala

@@ -15,8 +15,6 @@ package org.apache.pekko.stream.impl
 
 import scala.collection.immutable
 
-import org.reactivestreams.Subscription
-
 import org.apache.pekko
 import pekko.actor._
 import pekko.annotation.{ DoNotInherit, InternalApi }
@@ -25,6 +23,8 @@ import pekko.stream.ActorAttributes
 import pekko.stream.Attributes
 import pekko.util.unused
 
+import org.reactivestreams.Subscription
+
 /**
  * INTERNAL API
  */

stream/src/main/scala/org/apache/pekko/stream/impl/FanoutProcessor.scala

@@ -13,8 +13,6 @@
 
 package org.apache.pekko.stream.impl
 
-import org.reactivestreams.Subscriber
-
 import org.apache.pekko
 import pekko.actor.Actor
 import pekko.actor.ActorRef
@@ -26,6 +24,8 @@ import pekko.stream.Attributes
 import pekko.stream.StreamSubscriptionTimeoutTerminationMode
 import pekko.util.OptionVal
 
+import org.reactivestreams.Subscriber
+
 /**
  * INTERNAL API
  */

stream/src/main/scala/org/apache/pekko/stream/impl/JsonObjectParser.scala

@@ -14,6 +14,7 @@
 package org.apache.pekko.stream.impl
 
 import scala.annotation.switch
+
 import org.apache.pekko
 import pekko.annotation.InternalApi
 import pekko.stream.scaladsl.Framing.FramingException

stream/src/main/scala/org/apache/pekko/stream/impl/LazySource.scala

@@ -15,10 +15,11 @@ package org.apache.pekko.stream.impl
 
 import scala.concurrent.{ Future, Promise }
 import scala.util.control.NonFatal
+
 import org.apache.pekko
 import pekko.annotation.InternalApi
-import pekko.stream.Attributes.SourceLocation
 import pekko.stream._
+import pekko.stream.Attributes.SourceLocation
 import pekko.stream.impl.Stages.DefaultAttributes
 import pekko.stream.scaladsl.{ Keep, Source }
 import pekko.stream.stage._

stream/src/main/scala/org/apache/pekko/stream/impl/MaterializerGuardian.scala

@@ -13,9 +13,8 @@
 
 package org.apache.pekko.stream.impl
 
-import scala.concurrent.Promise
-
 import scala.annotation.nowarn
+import scala.concurrent.Promise
 
 import org.apache.pekko
 import pekko.actor.Actor

stream/src/main/scala/org/apache/pekko/stream/impl/Modules.scala

@@ -15,8 +15,6 @@ package org.apache.pekko.stream.impl
 
 import scala.annotation.unchecked.uncheckedVariance
 
-import org.reactivestreams._
-
 import org.apache.pekko
 import pekko.NotUsed
 import pekko.annotation.{ DoNotInherit, InternalApi }
@@ -24,6 +22,8 @@ import pekko.event.Logging
 import pekko.stream._
 import pekko.stream.impl.StreamLayout.AtomicModule
 
+import org.reactivestreams._
+
 /**
  * INTERNAL API
  */

stream/src/main/scala/org/apache/pekko/stream/impl/PhasedFusingActorMaterializer.scala

@@ -16,15 +16,11 @@ package org.apache.pekko.stream.impl
 import java.util
 import java.util.concurrent.atomic.AtomicBoolean
 
+import scala.annotation.nowarn
 import scala.collection.immutable.Map
 import scala.concurrent.ExecutionContextExecutor
 import scala.concurrent.duration.FiniteDuration
 
-import scala.annotation.nowarn
-import org.reactivestreams.Processor
-import org.reactivestreams.Publisher
-import org.reactivestreams.Subscriber
-
 import org.apache.pekko
 import pekko.NotUsed
 import pekko.actor.ActorContext
@@ -55,6 +51,10 @@ import pekko.stream.stage.InHandler
 import pekko.stream.stage.OutHandler
 import pekko.util.OptionVal
 
+import org.reactivestreams.Processor
+import org.reactivestreams.Publisher
+import org.reactivestreams.Subscriber
+
 /**
  * INTERNAL API
  */

stream/src/main/scala/org/apache/pekko/stream/impl/ReactiveStreamsCompliance.scala

@@ -15,12 +15,12 @@ package org.apache.pekko.stream.impl
 
 import scala.util.control.NonFatal
 
-import org.reactivestreams.{ Subscriber, Subscription }
-
 import org.apache.pekko
 import pekko.annotation.InternalApi
 import pekko.stream.SubscriptionWithCancelException
 
+import org.reactivestreams.{ Subscriber, Subscription }
+
 /**
  * INTERNAL API
  */

stream/src/main/scala/org/apache/pekko/stream/impl/SetupStage.scala

@@ -16,10 +16,11 @@ package org.apache.pekko.stream.impl
 import scala.concurrent.Future
 import scala.concurrent.Promise
 import scala.util.control.NonFatal
+
 import org.apache.pekko
 import pekko.annotation.InternalApi
-import pekko.stream.Attributes.SourceLocation
 import pekko.stream._
+import pekko.stream.Attributes.SourceLocation
 import pekko.stream.scaladsl.Flow
 import pekko.stream.scaladsl.Keep
 import pekko.stream.scaladsl.Sink

stream/src/main/scala/org/apache/pekko/stream/impl/SinkholeSubscriber.scala

@@ -15,12 +15,12 @@ package org.apache.pekko.stream.impl
 
 import scala.concurrent.Promise
 
-import org.reactivestreams.{ Subscriber, Subscription }
-
 import org.apache.pekko
 import pekko.Done
 import pekko.annotation.InternalApi
 
+import org.reactivestreams.{ Subscriber, Subscription }
+
 /**
  * INTERNAL API
  */

stream/src/main/scala/org/apache/pekko/stream/impl/Sinks.scala

@@ -14,6 +14,7 @@
 package org.apache.pekko.stream.impl
 
 import java.util.function.BinaryOperator
+
 import scala.collection.immutable
 import scala.collection.mutable
 import scala.concurrent.Future
@@ -22,8 +23,7 @@ import scala.util.Failure
 import scala.util.Success
 import scala.util.Try
 import scala.util.control.NonFatal
-import org.reactivestreams.Publisher
+
-import org.reactivestreams.Subscriber
 import org.apache.pekko
 import pekko.NotUsed
 import pekko.annotation.DoNotInherit
@@ -42,6 +42,9 @@ import pekko.stream.scaladsl.{ Keep, Sink, SinkQueueWithCancel, Source }
 import pekko.stream.stage._
 import pekko.util.ccompat._
 
+import org.reactivestreams.Publisher
+import org.reactivestreams.Subscriber
+
 /**
  * INTERNAL API
  */

stream/src/main/scala/org/apache/pekko/stream/impl/StreamLayout.scala

@@ -18,17 +18,17 @@ import java.util.concurrent.atomic.AtomicReference
 import scala.annotation.tailrec
 import scala.util.control.NonFatal
 
-import org.reactivestreams.Processor
-import org.reactivestreams.Publisher
-import org.reactivestreams.Subscriber
-import org.reactivestreams.Subscription
-
 import org.apache.pekko
 import pekko.annotation.InternalApi
 import pekko.stream._
 import pekko.stream.impl.Stages.DefaultAttributes
 import pekko.util.OptionVal
 
+import org.reactivestreams.Processor
+import org.reactivestreams.Publisher
+import org.reactivestreams.Subscriber
+import org.reactivestreams.Subscription
+
 /**
  * INTERNAL API
  */

stream/src/main/scala/org/apache/pekko/stream/impl/StreamSubscriptionTimeout.scala

@@ -13,18 +13,18 @@
 
 package org.apache.pekko.stream.impl
 
+import scala.annotation.nowarn
 import scala.concurrent.duration.FiniteDuration
 import scala.util.control.NoStackTrace
 
-import scala.annotation.nowarn
-import org.reactivestreams._
-
 import org.apache.pekko
 import pekko.actor._
 import pekko.annotation.InternalApi
 import pekko.stream.StreamSubscriptionTimeoutSettings
 import pekko.stream.StreamSubscriptionTimeoutTerminationMode.{ CancelTermination, NoopTermination, WarnTermination }
 
+import org.reactivestreams._
+
 /**
  * INTERNAL API
  */

stream/src/main/scala/org/apache/pekko/stream/impl/Throttle.scala

@@ -13,16 +13,16 @@
 
 package org.apache.pekko.stream.impl
 
+import scala.concurrent.duration.{ FiniteDuration, _ }
+
 import org.apache.pekko
 import pekko.annotation.InternalApi
-import pekko.stream.ThrottleMode.Enforcing
 import pekko.stream._
+import pekko.stream.ThrottleMode.Enforcing
 import pekko.stream.impl.fusing.GraphStages.SimpleLinearGraphStage
 import pekko.stream.stage._
 import pekko.util.NanoTimeTokenBucket
 
-import scala.concurrent.duration.{ FiniteDuration, _ }
-
 /**
  * INTERNAL API
  */

stream/src/main/scala/org/apache/pekko/stream/impl/Unfold.scala

@@ -13,6 +13,12 @@
 
 package org.apache.pekko.stream.impl
 
+import java.util.Optional
+import java.util.concurrent.CompletionStage
+
+import scala.concurrent.Future
+import scala.util.{ Failure, Success, Try }
+
 import org.apache.pekko
 import pekko.annotation.InternalApi
 import pekko.japi.{ function, Pair }
@@ -20,11 +26,6 @@ import pekko.stream._
 import pekko.stream.impl.Stages.DefaultAttributes
 import pekko.stream.stage.{ GraphStage, GraphStageLogic, OutHandler }
 
-import java.util.Optional
-import java.util.concurrent.CompletionStage
-import scala.concurrent.Future
-import scala.util.{ Failure, Success, Try }
-
 /**
  * INTERNAL API
  */

stream/src/main/scala/org/apache/pekko/stream/impl/UnfoldResourceSourceAsync.scala

@@ -13,19 +13,19 @@
 
 package org.apache.pekko.stream.impl
 
+import scala.concurrent.{ ExecutionContext, Future }
+import scala.util.{ Failure, Success, Try }
+import scala.util.control.NonFatal
+
 import org.apache.pekko
 import pekko.Done
 import pekko.annotation.InternalApi
 import pekko.dispatch.ExecutionContexts.parasitic
-import pekko.stream.ActorAttributes.SupervisionStrategy
 import pekko.stream._
+import pekko.stream.ActorAttributes.SupervisionStrategy
 import pekko.stream.impl.Stages.DefaultAttributes
 import pekko.stream.stage._
 
-import scala.concurrent.{ ExecutionContext, Future }
-import scala.util.control.NonFatal
-import scala.util.{ Failure, Success, Try }
-
 /**
  * INTERNAL API
  */

stream/src/main/scala/org/apache/pekko/stream/impl/fusing/ActorGraphInterpreter.scala

@@ -22,10 +22,6 @@ import scala.collection.immutable
 import scala.concurrent.Promise
 import scala.util.control.NonFatal
 
-import org.reactivestreams.Publisher
-import org.reactivestreams.Subscriber
-import org.reactivestreams.Subscription
-
 import org.apache.pekko
 import pekko.Done
 import pekko.actor._
@@ -45,6 +41,10 @@ import pekko.stream.stage.InHandler
 import pekko.stream.stage.OutHandler
 import pekko.util.OptionVal
 
+import org.reactivestreams.Publisher
+import org.reactivestreams.Subscriber
+import org.reactivestreams.Subscription
+
 /**
  * INTERNAL API
  */