conditionalWhenBranch
fun conditionalWhenBranch(conditions: List<Node.Expression.WhenExpression.WhenCondition> = listOf(), arrow: Node.Keyword.Arrow = Node.Keyword.Arrow(), body: Node.Expression, supplement: NodeSupplement = NodeSupplement()): Node.Expression.WhenExpression.ConditionalWhenBranch
Creates a new Node.Expression.WhenExpression.ConditionalWhenBranch instance.