@@ -0,0 +1,382 @@
+package org.wso2.analytics.apim.rest.api.file;%0A%0Aimport org.wso2.msf4j.formparam.FileInfo;%0Aimport org.wso2.msf4j.Request;%0A%0Aimport java.io.InputStream;%0A%0Aimport javax.ws.rs.core.Response;%0A%0Apublic abstract class UsageApiService %7B%0A    public abstract Response usageUploadFilePost(InputStream analyticsInputStream, FileInfo analyticsDetail%0A  ,Request request) throws NotFoundException;%0A%7D%0A

Add missed UsageApiService file in refactoring