addressing comment

- Removing builder reference

docs/src/modules/java-protobuf/pages/call-another-service.adoc

@@ -72,7 +72,7 @@ include::example$scala-protobuf-doc-snippets/src/main/scala/com/example/Delegati
 
 To pass headers to this client you need to `lift` (by casting) the service interface to the specific client.
 In this example, casting the service interface `com.example.CounterService` to the client class `com.example.CounterServiceClient`.
-Once this is done you can call the desired method to create a request builder, add the headers, and then `invoke` the builder with the desired input.
+Once this is done you can build the desired method, add the headers, and then `invoke` the method with the desired input.
 
 In our delegating implementation:
 
@@ -84,8 +84,9 @@ Java::
 include::java-protobuf:example$java-protobuf-doc-snippets/src/main/java/com/example/DelegatingServiceAction.java[tag=delegating-action-lifted]
 ----
 +
-<1> Casting, creating the request builder with `increase()`, and adding the headers to it.
-<2> Invoke the builder with the desired `increaseValue` parameter.
+<1> Casting and building the `increase()` method
+<2> Add the headers to it.
+<3> Invoke the method with the desired `increaseValue` parameter.
 
 Scala::
 +
@@ -95,8 +96,9 @@ Scala::
 include::example$scala-protobuf-doc-snippets/src/main/scala/com/example/DelegatingServiceAction.scala[tag=delegating-action-lifted]
 ----
 +
-<1> Casting, creating the request builder with `increase()`, and adding the headers to it.
-<2> Invoke the builder with the desired `increaseValue` parameter.
+<1> Casting and building the `increase()` method
+<2> Add the headers to it.
+<3> Invoke the method with the desired `increaseValue` parameter.
 
 For additional documentation about Akka gRPC see the https://doc.akka.io/docs/akka-grpc/current/index.html[Akka gRPC documentation].
 

samples/java-protobuf-doc-snippets/src/main/java/com/example/DelegatingServiceAction.java

@@ -42,15 +42,13 @@ public Effect<DelegatingServiceApi.Result> addAndReturn(DelegatingServiceApi.Req
  public Effect<DelegatingServiceApi.Result> addAndReturnLifted(DelegatingServiceApi.Request request) {
  CounterService counterService = actionContext().getGrpcClient(CounterService.class, "counter");
  // tag::delegating-action-lifted[]
- SingleResponseRequestBuilder<CounterApi.IncreaseValue, Empty> counterServiceClientBuilder
- = ((CounterServiceClient) counterService).increase().addHeader("key", "value"); // <1>
-
-
  CounterApi.IncreaseValue increaseValue = CounterApi.IncreaseValue.newBuilder()
  .setCounterId(request.getCounterId())
  .setValue(1)
  .build();
- CompletionStage<Empty> increaseCompleted = counterServiceClientBuilder.invoke(increaseValue); // <2>
+ CompletionStage<Empty> increaseCompleted = ((CounterServiceClient) counterService).increase() // <1>
+ .addHeader("key", "value") // <2>
+ .invoke(increaseValue); // <3>
  // end::delegating-action-lifted[]
  CompletionStage<CounterApi.CurrentCounter> currentCounterValueAfter = increaseCompleted.thenCompose((empty) ->
  // once increase completed successfully, ask for the current state after

samples/scala-protobuf-doc-snippets/src/main/scala/com/example/DelegatingServiceAction.scala

@@ -36,10 +36,10 @@ class DelegatingServiceAction(creationContext: ActionCreationContext) extends Ab
 
  val counterService = actionContext.getGrpcClient(classOf[CounterService], "counter")
  // tag::delegating-action-lifted[]
- val counterServiceClientBuilder: SingleResponseRequestBuilder[IncreaseValue, Empty] =
- counterService.asInstanceOf[CounterServiceClient].increase().addHeader("key","value") // <1>
  val increaseValue = IncreaseValue(counterId = request.counterId, value = 1)
- val increaseCompleted = counterServiceClientBuilder.invoke(increaseValue) // <2>
+ val increaseCompleted = counterService.asInstanceOf[CounterServiceClient].increase() // <1>
+ .addHeader("key","value") // <2>
+ .invoke(increaseValue) // <3>
  // end::delegating-action-lifted[]
 
  val currentCounterValueAfter = increaseCompleted.flatMap(_ =>