Allows overriding the default {@code AuthenticationStrategy} utilized during multi-realm log-in attempts.
This object is only used when two or more Realms are configured.
@param authenticationStrategy the strategy implementation to use during log-in attempts.
Allows overriding the default {@code AuthenticationStrategy} utilized during multi-realm log-in attempts. This object is only used when two or more Realms are configured.
@param authenticationStrategy the strategy implementation to use during log-in attempts.