code: private void addVirtualAccessor(AbstractPojoPropertyDescriptor propertyDescriptor, PojoPropertyAccessor accessor) {
  
      LOG.trace("adding virtual accessor: {}", accessor);
      propertyDescriptor.putAccessor(accessor);
    }
docs: This method adds the given {@code accessor} to the given {@code propertyDescriptor}.
  
  @param propertyDescriptor is the descriptor of the property where to add the given {@code accessor}.
  @param accessor is the (virtual) accessor to add.