import com.amazonaws.services.dynamodbv2.model.ConditionalCheckFailedException;
<BUG>import com.google.common.collect.Lists;</BUG>
import org.apache.commons.lang3.StringUtils;
import org.joda.time.DateTime;
import org.joda.time.LocalDate;
<BUG>import org.sagebionetworks.bridge.exceptions.BadRequestException;
import org.sagebionetworks.bridge.models.PagedResourceList;
import org.sagebionetworks.bridge.models.accounts.ExternalIdentifier;
import org.sagebionetworks.bridge.models.accounts.ExternalIdentifierInfo;</BUG>
import org.springframework.stereotype.Component;

import com.amazonaws.services.dynamodbv2.model.ConditionalCheckFailedException;
import org.apache.commons.lang3.StringUtils;
import org.joda.time.DateTime;
import org.joda.time.LocalDate;
import org.sagebionetworks.bridge.exceptions.BadRequestException;
import org.sagebionetworks.bridge.exceptions.BridgeServiceException;
import org.sagebionetworks.bridge.models.PagedResourceList;
import org.springframework.stereotype.Component;
