code: @CheckReturnValue
      public OpenTracingPlugin withAdditionalSpanDecorators(final SpanDecorator first,
              final SpanDecorator... decorators) {
          return withSpanDecorators(decorator, SpanDecorator.composite(first, decorators));
      }
docs: Creates a new {@link OpenTracingPlugin plugin} by <strong>combining</strong> the {@link SpanDecorator decorator(s)} of
  {@code this} plugin with the supplied ones.
  
  @param first      first decorator
  @param decorators optional, remaining decorators
  @return a new {@link OpenTracingPlugin}