Added in API level 1
    Guard
interface Guard
| java.security.Guard | 
This interface represents a guard, which is an object that is used to protect access to another object.
This interface contains a single method, checkGuard, with a single object argument. checkGuard is invoked (by the GuardedObject getObject method) to determine whether or not to allow access to the object.
Summary
| Public methods | |
|---|---|
| abstract Unit | 
            checkGuard(object: Any!)Determines whether or not to allow access to the guarded object   | 
        
Public methods
checkGuard
Added in API level 1
      abstract fun checkGuard(object: Any!): Unit
Determines whether or not to allow access to the guarded object object. Returns silently if access is allowed. Otherwise, throws a SecurityException.
| Parameters | |
|---|---|
object | 
            Any!: the object being protected by the guard. | 
| Exceptions | |
|---|---|
java.lang.SecurityException | 
            if access is denied. |