code: @Nonnull
      public static <Message extends PMessage<Message, Field>, Field extends PField>
      Stream<Message> stream(InputStream in,
                             Serializer serializer,
                             PMessageDescriptor<Message, Field> descriptor) {
          return StreamSupport.stream(new MessageSpliterator<>(in, serializer, descriptor), false);
      }
docs: Read a input stream containing entries of a given type.
  
  @param in         The input stream to read.
  @param serializer The serializer to use.
  @param descriptor The descriptor of the entry type of the file.
  @param <Message>  The message type.
  @param <Field>    The message field type.
  @return The stream that reads the file.