@Override
    public String toString() {
        StringBuilder builder = new StringBuilder();
        builder.append("FileStarted [resourceId=");
        builder.append(resourceId);
        builder.append(", started=");
        builder.append(started);
        builder.append("]");
        return builder.toString();
    }
@return elapsed milliseconds this the start of processing of this
file resource
tika-batch/src/main/java/org/apache/tika/batch/FileStarted.java