private ASTNode createTargetNode(ASTNode first, ASTNode last, boolean isMove, ASTNode replacingNode, TextEditGroup editGroup) {
if (first == null || last == null) {
throw new IllegalArgumentException();
}
NodeInfoStore nodeStore= this.rewriter.getNodeStore();
ASTNode placeholder= nodeStore.newPlaceholderNode(first.getNodeType()); // revisit: could use list type
if (placeholder == null) {
throw new IllegalArgumentException("Creating a target node is not supported for nodes of type" + first.getClass().getName()); //$NON-NLS-1$
}
Block internalPlaceHolder= nodeStore.createCollapsePlaceholder();
CopySourceInfo info= getRewriteStore().createRangeCopy(this.parent, this.childProperty, first, last, isMove, internalPlaceHolder, replacingNode, editGroup);
nodeStore.markAsCopyTarget(placeholder, info);
return placeholder;
}