@Override
    protected Map<String, List<Object>> mergePersonAttributes(final Map<String, List<Object>> toModify, final Map<String, List<Object>> toConsider) {
        toModify.putAll(toConsider);
        return toModify;
    }
Attribute merge strategy whereby considered attributes over-write
previously set values for attributes with colliding names.

@author andrew.petro@yale.edu
@since 7.1.0
core/cas-server-core-authentication-api/src/main/java/org/apereo/cas/authentication/principal/merger/ReplacingAttributeAdder.java