contract Recoverable is Ownable {
  
    /// @dev Empty constructor (for now)
    function Recoverable() {
    }
  
    /// @dev This will be invoked by the owner, when owner wants to rescue tokens
    /// @param token Token which will we rescue to the owner from the contract
    function recoverTokens(ERC20Basic token) onlyOwner public {
      token.transfer(owner, tokensToBeReturned(token));
    }
  
    /// @dev Interface function, can be overwritten by the superclass
    /// @param token Token which balance we will check and return
    /// @return The amount of tokens (in smallest denominator) the contract owns
    function tokensToBeReturned(ERC20Basic token) public returns (uint) {
      return token.balanceOf(this);
    }
  }
function Recoverable() {
}

/// @dev Empty constructor (for now)