docs: @Override
      public byte[] transform(ClassLoader loader,
                              String className,
                              Class<?> classBeingRedefined,
                              ProtectionDomain protectionDomain,
                              byte[] classfileBuffer) throws IllegalClassFormatException {
          // Skip over anything on the bootstrap loader and some VM
          // internal classes (like those in support of reflection)
          if ((loader == null && !includeBootstrap) || probeManagerImpl.isExcludedClass(className)) {
              return null;
          }
  
          // If this is a probe candidate, hook the static initializer
          if (probeManagerImpl.isProbeCandidate(className)) {
              return transformCandidate(classfileBuffer);
          }
  
          return null;
      }