class PreviewServerSettings in package settings is deprecated (since 1.3.0): PreviewServerSettings is deprecated, use pekko.http.javadsl.settings.ServerSettings instead

class PreviewServerSettings in package settings is deprecated (since 1.3.0): PreviewServerSettings is deprecated, use pekko.http.scaladsl.settings.ServerSettings instead

Name protocol is already introduced in an enclosing scope as value protocol at line 117. Did you intend to match it using backquoted `protocol`?

trait UpgradeToWebSocket in package ws is deprecated (since Akka HTTP 10.2.0): This low-level API has been replaced by an attribute.

Name ex is already introduced in an enclosing scope as value ex at line 114. Did you intend to match it using backquoted `ex`?

method settings in class Materializer is deprecated (since Akka 2.6.0): Use attributes to access settings from stages

value timeout in class StreamSubscriptionTimeoutSettings is deprecated (since Akka 2.6.0): Use attribute 'ActorAttributes.StreamSubscriptionTimeout' to read the concrete setting value

method createLogicAndMaterializedValue has an inferred structural type: (org.apache.pekko.stream.stage.GraphStageLogic{val parsingErrorHandler: org.apache.pekko.http.ParsingErrorHandler; val pullHttpResponseIn: () => Unit; def openRequests: scala.collection.immutable.Queue[org.apache.pekko.http.impl.engine.parsing.ParserOutput.RequestStart]; def openRequests_=(x$1: scala.collection.immutable.Queue[org.apache.pekko.http.impl.engine.parsing.ParserOutput.RequestStart]): Unit; def oneHundredContinueResponsePending: Boolean; def oneHundredContinueResponsePending_=(x$1: Boolean): Unit; def pullSuppressed: Boolean; def pullSuppressed_=(x$1: Boolean): Unit; def messageEndPending: Boolean; def messageEndPending_=(x$1: Boolean): Unit; def finishWithIllegalRequestError(status: org.apache.pekko.http.scaladsl.model.StatusCode, info: org.apache.pekko.http.scaladsl.model.ErrorInfo): Unit; def emitErrorResponse(response: org.apache.pekko.http.scaladsl.model.HttpResponse): Unit; def maybePullRequestParsingIn(): Unit; val emit100ContinueResponse: org.apache.pekko.stream.stage.AsyncCallback[Unit]; case object OneHundredContinueStage; def with100ContinueTrigger[T <: org.apache.pekko.http.impl.engine.parsing.ParserOutput](createEntity: org.apache.pekko.http.impl.engine.parsing.ParserOutput.EntityCreator[T,org.apache.pekko.http.scaladsl.model.RequestEntity]): org.apache.pekko.http.impl.engine.parsing.ParserOutput.StreamedEntityCreator[T,org.apache.pekko.http.scaladsl.model.RequestEntity]}, org.apache.pekko.NotUsed.type)

Unused import