public Map<String, List<String>> getAttributes() {
        return attributes;
    }
Returns a Map containing all attributes included in the original SAML
response that asserted this user's identity. Attributes may possibly be
associated with multiple values.

@return
    A Map of all attributes included in the original SAML response.
extensions/guacamole-auth-sso/modules/guacamole-auth-sso-saml/src/main/java/org/apache/guacamole/auth/saml/acs/AssertedIdentity.java