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- attribute resolver - responsible for fetching and creating attributes, controlled by $IDP_HOME/conf/attribute-resolver.xml
- attribute filtering engine - responsible for filtering attributes based on policy, controlled by $IDP_HOME/conf/attribute-filter.xml
- profile handler manager - responsible for defining IdP endpoints (profile handlers), controlled by $IDP_HOME/conf/handler.xml
- relying party configuration mangermanager - responsible for managing per relying party configurations, controlled by _$IDP_HOME/conf/relying-party.xml
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