Fixes in response to code review by @ST-DDT

Author: liqweed

grpc-client-spring-boot-autoconfigure/src/main/java/net/devh/boot/grpc/client/inject/GrpcClientBeanPostProcessor.java

@@ -230,8 +230,8 @@ protected <T> T valueForMember(final String name, final Member injectionTarget,
     /**
      * Creates a stub instance for the specified stub type using the resolved {@link StubFactory}.
      * 
-     * @param stubClass
-     * @param channel
+     * @param stubClass The stub class that needs to be created.
+     * @param channel The gRPC channel associated with the created stub, passed as a parameter to the stub factory.
      * @throws BeanInstantiationException If the stub couldn't be created, either because the type isn't supported or
      *         because of a failure in creation.
      * @return A newly created gRPC stub.

grpc-client-spring-boot-autoconfigure/src/main/java/net/devh/boot/grpc/client/stubfactory/StubFactory.java

@@ -39,7 +39,7 @@ public interface StubFactory {
      *
      * @throws BeanInstantiationException If the stub couldn't be created.
      */
-    AbstractStub<?> createStub(final Class<? extends AbstractStub<?>> stubType, final Channel channel);
+    AbstractStub<?> createStub(Class<? extends AbstractStub<?>> stubType, Channel channel);
 
     /**
      * Used to resolve a factory that matches the particular stub type.