Nothing

```
#
# Copyright (c) 2016-2016 Anton Bossenbroek
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#' Deep clone a General tree
#' @param x The object that should be converted.
#' @param ... passed to underlying functions.
#' @export
deep_clone <- function(x) UseMethod("deep_clone")
#' Deep clone a General Tree.
#'
#' @param x The general tree that should be deep cloned.
#' @return a clone of the tree.
#' @export
deep_clone.GeneralTree <- function(x) {
# Create a list of all the childeren.
childeren <- x$getChildNodes(recursive = TRUE)
new_tree <- GeneralTree$new(id = x$id, data = x$data)
sapply(childeren, function(x) {
new_tree$addNode(parent = x$parent$id, id = x$id, data = x$data)
})
return(new_tree)
}
#' Deep clone a General Tree.
#'
#' @param x The target to where the tree should be copied.
#' @param value The general tree that should be cloned into.
#' @return a clone of the tree.
#' @usage `<-.GeneralTree`(x, value)
#' @export
"<-.GeneralTree" <- function(x, value) {
x <- deep_clone.GeneralTree(value)
return(x)
}
#' Deep clone a General Tree.
#'
#' @param x The target to where the tree should be copied.
#' @param value The general tree that should be cloned into.
#' @return a clone of the tree.
#' @usage `=.GeneralTree`(x, value)
#' @export
"=.GeneralTree" <- function(x, value) {
x <- deep_clone.GeneralTree(value)
return(x)
}
```

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