org.springframework.security.config.http
Classes 
ChannelAttributeFactory
DefaultFilterChainValidator
FilterChainBeanDefinitionParser
FilterChainMapBeanDefinitionDecorator
FilterInvocationSecurityMetadataSourceParser
FormLoginBeanDefinitionParser
HttpFirewallBeanDefinitionParser
HttpSecurityBeanDefinitionParser
UserDetailsServiceFactoryBean
Enums 
MatcherType