get_root_nodes
Description:
Get an array of strings containing the paths of nodes situated at the root of this.
Parameters:
| this | a ServerOperation object | 
Returns:
| a new array, which must be freed with strfreev. | 
Get an array of strings containing the paths of nodes situated at the root of this.
| this | a ServerOperation object | 
| a new array, which must be freed with strfreev. |