(treeReplacer: StringAdd).self
(treeReplacer: StringFormat).self
(treeReplacer: ArrowAssoc[TreeReplacer]).x
(Since version 2.10.0) Use leftOfArrow instead
(treeReplacer: Ensuring[TreeReplacer]).x
(Since version 2.10.0) Use resultOfEnsuring instead
A transformer that replaces tree
fromwith treetoin a given tree