Cambia tipo de dato retornado

import org.springframework.web.bind.annotation.ResponseBody;

import es.redmic.atlascommands.service.OGCLayerService;

import es.redmic.atlaslib.dto.layer.LayerDTO;

import es.redmic.atlaslib.dto.layerwms.LayerWMSDTO;

import es.redmic.exception.data.ItemAlreadyExistException;

import es.redmic.exception.databinding.DTONotValidException;

import es.redmic.models.es.common.dto.BodyItemDTO;

		if (errorDto.hasErrors())

			throw new DTONotValidException(errorDto);

		List<LayerDTO> result = service.discoverWMSLayers(workSpace.getUrl());

		List<LayerWMSDTO> result = service.discoverWMSLayers(workSpace.getUrl());

		if (result == null)

			throw new ItemAlreadyExistException();

		return new BodyItemDTO<List<LayerDTO>>(result);

		return new BodyItemDTO<List<LayerWMSDTO>>(result);

	}

}

import org.springframework.stereotype.Service;

import es.redmic.atlascommands.utils.Capabilities;

import es.redmic.atlaslib.dto.layer.LayerDTO;

import es.redmic.atlaslib.dto.layerwms.LayerWMSDTO;

import es.redmic.exception.atlas.LayerNotFoundException;

public class OGCLayerService {

	@SuppressWarnings({ "unchecked", "rawtypes" })

	public List<LayerDTO> discoverWMSLayers(String urlSource) {

	public List<LayerWMSDTO> discoverWMSLayers(String urlSource) {

		HashMap<String, LayerWMSDTO> result = Capabilities.getCapabilities(urlSource);