public void setCrc(long crc) { if ((crc & 0xffffffff00000000L) != 0) { throw new IllegalArgumentException("invalid crc"); }
public void setCrc(long crc) { if ((crc & 0xffffffff00000000L) != 0) throw new IllegalArgumentException();
	public void setCrc(long crc) {		if ((crc & 0xffffffff00000000L) != 0) {			throw new IllegalArgumentException("invalid crc");		}		this.crc = (int) crc;		this.known |= KNOWN_CRC;	}