package com.loan.system.service; import com.loan.system.domain.dto.DocumentDTO; import com.loan.system.domain.entity.Document; import com.loan.system.domain.vo.DocumentVO; import java.util.List; public interface DocumentService { List findByCaseId(Long caseId); DocumentVO uploadFile(Document document); Document findById(Long signId); void updateDocumentByCaseIdAndDicType(Long caseId, String dictType, DocumentDTO documentDTO); void deleteFileByCaseIdAndDictType(Long caseId, String fileType); }