@Field
    public void setMaxBytes(int maxBytes) {
        this.maxBytes = maxBytes;
    }
If this is not called on a TikaInputStream, this detector
will spool up to this many bytes to a file to be detected
by the 'file' command.

@param maxBytes
tika-core/src/main/java/org/apache/tika/detect/FileCommandDetector.java