CmdOp
subOp1, subOp2
CmdOpPipe(CmdOp subOp1, CmdOp subOp2)
<T> T
accept(CmdOpVisitor<T> visitor)
String
toString()
equals, getSubOp1, getSubOp2, hashCode
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
toString
Object