ApacheHttpClientTagAdapter extends HttpTagAndSpanNamingAdapter<HttpRequest, HttpResponse> { @SuppressWarnings("unchecked") public static ApacheHttpClientTagAdapter getDefaultInstance() { return DEFAULT_INSTANCE; }  @SuppressWarnings("unchecked") static ApacheHttpClientTagAdapter getDefaultInstance(); @Override @Nullable String getRequestPath(@Nullable HttpRequest request); @Override @Nullable Integer getResponseHttpStatus(@Nullable HttpResponse response); @Override @Nullable String getRequestHttpMethod(@Nullable HttpRequest request); @Override @Nullable String getRequestUriPathTemplate(@Nullable HttpRequest request, @Nullable HttpResponse response); @Override @Nullable String getRequestUrl(@Nullable HttpRequest request); @Override @Nullable String getHeaderSingleValue(@Nullable HttpRequest request, @NotNull String headerKey); @Override @Nullable List<String> getHeaderMultipleValue(@Nullable HttpRequest request, @NotNull String headerKey); @Override @Nullable String getSpanHandlerTagValue(@Nullable HttpRequest request, @Nullable HttpResponse response);  }
@Test public void getDefaultInstance_returns_DEFAULT_INSTANCE() { assertThat(ApacheHttpClientTagAdapter.getDefaultInstance()) .isSameAs(ApacheHttpClientTagAdapter.DEFAULT_INSTANCE); }