public SequenceComputationContainerClear(SequenceExpressionAttributeAccess attribute)
     : base(SequenceComputationType.ContainerClear, attribute)
 {
 }
 public SequenceComputationContainerAdd(SequenceExpressionAttributeAccess attribute, SequenceExpression expr, SequenceExpression exprDst)
     : base(SequenceComputationType.ContainerAdd, attribute)
 {
     Expr = expr;
     ExprDst = exprDst;
 }
 public SequenceComputationContainerRem(SequenceExpressionAttributeAccess attribute, SequenceExpression expr)
     : base(SequenceComputationType.ContainerRem, attribute)
 {
     Expr = expr;
 }
 public SequenceComputationContainer(SequenceComputationType type, SequenceExpressionAttributeAccess attribute)
     : base(type)
 {
     Attribute = attribute;
 }