list_action_prefixes
Description:
[ CCode ( array_length = false ,  array_null_terminated = true ) ]
[ Version ( since = "3.16" ) ]
public (unowned string)[] list_action_prefixes ()
  [ Version ( since = "3.16" ) ]
public (unowned string)[] list_action_prefixes ()
Retrieves a null-terminated array of strings containing the prefixes of ActionGroup's available to this.
Parameters:
| this | A Widget | 
Returns:
| a null-terminated array of strings. |