code: public static void fillOppositeField(Class<?> configuredClass, MappedField configuredField, MappedField targetField) {
  		
  		JMapAccessor accessor = getClassAccessors(configuredClass, targetField.getValue().getName(),true);
  		
  		if(isNull(accessor))
  			accessor = getFieldAccessors(configuredClass, configuredField.getValue(),true, targetField.getValue().getName());
  		
  		if(isNull(accessor)) return;
  		
  		if(    targetField.getMethod().equals(Constants.DEFAULT_ACCESSOR_VALUE) 
  			&& !accessor.get().equals(Constants.DEFAULT_ACCESSOR_VALUE))
  			targetField.getMethod(accessor.get());
  		
  		if(    targetField.setMethod().equals(Constants.DEFAULT_ACCESSOR_VALUE) 
  			&& !accessor.set().equals(Constants.DEFAULT_ACCESSOR_VALUE))
  			targetField.setMethod(accessor.set());
  			
  	}
docs: Fill target field with custom methods if occur all these conditions:<br>
  <ul>
  <li>It's defined a JMapAccessor by configured field to target</li>
  <li>The target of the configuration hasn't the custom methods defined</li>
  </ul>
  @param configuredClass configured class
  @param configuredField configured field
  @param targetField target field