RootMerger

```
@Deprecated
public interface RootMerger
```
Deprecated.
since 7.1, you no longer need to implement this interface

Implement the interface in the VcsSupport to allow vcs root merge by the version control (merging several roots with one by adding checkout rules).

Method Summary

All Methods Instance Methods Abstract Methods Deprecated Methods
Modifier and Type	Method	Description
`VcsRoot`	`getCommonParent(VcsRoot root1, VcsRoot root2)`	Deprecated.
`java.lang.String`	`getPrefixPath(VcsRoot parent, VcsRoot subRoot)`	Deprecated.

- Method Detail
  - getCommonParent
```
@Nullable
@Deprecated
VcsRoot getCommonParent(@NotNull
                        VcsRoot root1,
                        @NotNull
                        VcsRoot root2)
```
    Deprecated.
    
    returns common parent of two roots.
    
    Parameters:
    
    root1 - first root.
    
    root2 - second root.
    
    Returns:
    
    common parent. Null if roots do not have common parent.
  - getPrefixPath
```
@NotNull
@Deprecated
java.lang.String getPrefixPath(@NotNull
                               VcsRoot parent,
                               @NotNull
                               VcsRoot subRoot)
```
    Deprecated.
    
    returns prefix of the root according to the parent. Adding checkout root with the same left part as prefix has to transform parent root into child one.
    
    Parameters:
    
    parent - parent root.
    
    subRoot - child root.
    
    Returns:
    
    prefix which has transform parent root into child. For example, parent svn root has url svn://server/project child svn root has url svn://server/project/branch/src Other properties are equal. Prefix should be branch/src