code: @Nullable
      private static Method findStaticInitializer(JavaClass cls) {
          Method[] methods = cls.getMethods();
          for (Method m : methods) {
              if (Values.STATIC_INITIALIZER.equals(m.getName())) {
                  return m;
              }
          }
  
          return null;
      }
docs: finds the method that is the static initializer for the class
  
  @param cls
  the class to find the initializer for
  
  @return the Method of the static initializer or null if this class has none