code: public BasicAuthAuthenticator getBasicAuthAuthenticator() {
          try {
              return createBasicAuthenticator();
          } catch (RegistryException e) {
              if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled()) {
                  Tr.debug(tc, "RegistryException while trying to create BasicAuthAuthenticator", e);
              }
          }
          return null;
      }
docs: Create an instance of BasicAuthAuthenticator.
  
  @return A BasicAuthAuthenticator or {@code null} if the it could not be created.