- Use type hints instead of manually verifying argument    type in setCompleter() method
- Use type hints instead of manually verifying argument 
  type in setCompleter() method

git-svn-id: 526f3b90ad6d9b1dfe840af828070ca3d99521ac@13714 d2cacbed-c0f6-0310-851a-9dad52fc623a

johannes85/core