package javax.sip.header; import javax.sip.InvalidArgumentException; public interface TimeStampHeader extends Header { String NAME = "Timestamp"; float getDelay(); void setDelay(float delay) throws InvalidArgumentException; boolean hasDelay(); void removeDelay(); long getTime(); void setTime(long timeStamp) throws InvalidArgumentException; int getTimeDelay(); void setTimeDelay(int delay) throws InvalidArgumentException; float getTimeStamp(); void setTimeStamp(float timeStamp) throws InvalidArgumentException; }