PropertyKey key = new PropertyKey( entityClass, field.getName() );
OptionsContainer optionsOfField = convertOptionAnnotations( field.getAnnotations() );
OptionsContainer optionsOfProperty = optionsByProperty.get( key );
if ( optionsOfProperty != null ) {
optionsOfProperty.addAll( optionsOfField );
}
else {
optionsByProperty.put( key, optionsOfField );
}
}