/// @notice Confirms if the current keeper is registered and has a minimum bond of any asset. Should be used for protected functions
/// @param _keeper The keeper to check
/// @param _bond The bond token being evaluated
/// @param _minBond The minimum amount of bonded tokens
/// @param _earned The minimum funds earned in the keepers lifetime
/// @param _age The minimum keeper age required
/// @return _isBondedKeeper Whether the `_keeper` meets the given requirements
) external returns (bool _isBondedKeeper);