minecraft-source/src/com/mojang/realmsclient/client/UploadStatus.java

package com.mojang.realmsclient.client;

public class UploadStatus {
    public volatile Long bytesWritten;
    public volatile Long totalBytes;
    
    public UploadStatus() {
        this.bytesWritten = 0L;
        this.totalBytes = 0L;
    }
}