Returns the name of the {@link SecurityManager} instance in the backing map. Used as a key to lookup the
instance. Unless set otherwise, the default is {@code securityManager}.
@return the name of the {@link SecurityManager} instance in the backing map. Used as a key to lookup the
instance.
Returns the name of the {@link SecurityManager} instance in the backing map. Used as a key to lookup the instance. Unless set otherwise, the default is {@code securityManager}.
@return the name of the {@link SecurityManager} instance in the backing map. Used as a key to lookup the instance.