gateway-provider-security-authc-anon/src/main/java/org/apache/knox/gateway/filter/AnonymousAuthFilter.java
gateway-provider-security-jwt/src/main/java/org/apache/knox/gateway/provider/federation/jwt/filter/AbstractJWTFilter.java

gateway-provider-security-authc-anon/src/main/java/org/apache/knox/gateway/filter/AnonymousAuthFilter.java
gateway-provider-security-jwt/src/main/java/org/apache/knox/gateway/provider/federation/jwt/filter/AccessTokenFederationFilter.java