code: public BoxRequestsFile.CommitUploadSession getCommitSessionRequest(List<BoxUploadSessionPart> uploadedParts, BoxUploadSession uploadSession) {
          return new BoxRequestsFile.CommitUploadSession(uploadedParts, null, null, null, uploadSession, mSession);
      }
docs: Commit an upload session after all parts have been uploaded, creating the new file or the version
  @param uploadedParts the list of uploaded parts to be committed.
  @param uploadSession the BoxUploadSession
  @return the created file instance.