@Override
        public Object evaluate(String expression, Class<?> type) throws ExpressionEvaluationException {
            if (preprocessor != null) {
                try {
                    return preprocessor.preprocessValue(expression, type);
                } catch (BeanConfigurationException e) {
                    throw new ExpressionEvaluationException(e.getMessage(), e);
                }
            }

import org.codehaus.plexus.component.configurator.converters.lookup.ConverterLookup;
import org.codehaus.plexus.component.configurator.expression.ExpressionEvaluationException;
import org.codehaus.plexus.component.configurator.expression.ExpressionEvaluator;
import org.codehaus.plexus.component.configurator.expression.TypeAwareExpressionEvaluator;