code: public boolean hasMethod(final String methodName) {
          for (final ClassInfo ci : getOverrideOrder()) {
              if (ci.hasDeclaredMethod(methodName)) {
                  return true;
              }
          }
          return false;
      }
docs: Checks whether this class or one of its superclasses or interfaces declares a method of the given name.
  
  @param methodName
  The name of a method.
  @return true if this class or one of its superclasses or interfaces declares a method of the given name.