Added jspecifiy nullable 1

Signed-off-by: Soumik Sarker <ronodhirsoumik@gmail.com>

Author: ronodhirSoumik

saml2/saml2-service-provider/src/main/java/org/springframework/security/saml2/jackson/.LCKpackage-info.java~

@@ -0,0 +1 @@
+/home/soumik-sarker/spring-security/saml2/saml2-service-provider/src/main/java/org/springframework/security/saml2/jackson/package-info.java

saml2/saml2-service-provider/src/main/java/org/springframework/security/saml2/provider/service/authentication/Saml2AuthenticatedPrincipal.java

@@ -20,8 +20,7 @@
 import java.util.List;
 import java.util.Map;
 
-import org.jspecify.annotations.NullUnmarked;
-
+import org.jspecify.annotations.Nullable;
 import org.springframework.security.core.AuthenticatedPrincipal;
 import org.springframework.security.saml2.provider.service.registration.RelyingPartyRegistration;
 import org.springframework.util.CollectionUtils;
@@ -76,6 +75,7 @@ default Map<String, List<Object>> getAttributes() {
 	 * @return the {@link RelyingPartyRegistration} identifier
 	 * @since 5.6
 	 */
+	@Nullable	
 	default String getRelyingPartyRegistrationId() {
 		return null;
 	}

saml2/saml2-service-provider/src/main/java/org/springframework/security/saml2/provider/service/registration/BaseOpenSamlAssertingPartyMetadataRepository.java

@@ -31,7 +31,7 @@
 import org.opensaml.saml.metadata.resolver.index.impl.RoleMetadataIndex;
 import org.opensaml.saml.saml2.metadata.EntityDescriptor;
 import org.opensaml.saml.saml2.metadata.IDPSSODescriptor;
-
+import org.springframework.lang.NonNull;
 import org.springframework.security.saml2.Saml2Exception;
 import org.springframework.security.saml2.core.OpenSamlInitializationService;
 import org.springframework.util.Assert;

saml2/saml2-service-provider/src/opensaml5Main/java/org/springframework/security/saml2/provider/service/authentication/OpenSaml5AuthenticationProvider.java

@@ -58,6 +58,8 @@
 import org.opensaml.xmlsec.signature.support.SignatureTrustEngine;
 
 import org.springframework.core.convert.converter.Converter;
+import org.springframework.lang.NonNull;
+import org.jspecify.annotations.Nullable;
 import org.springframework.security.authentication.AbstractAuthenticationToken;
 import org.springframework.security.authentication.AuthenticationProvider;
 import org.springframework.security.core.Authentication;

saml2/saml2-service-provider/src/opensaml5Main/java/org/springframework/security/saml2/provider/service/registration/OpenSaml5AssertingPartyMetadataRepository.java

@@ -26,9 +26,6 @@
 import java.util.Iterator;
 import java.util.function.Consumer;
 
-import net.shibboleth.shared.resolver.CriteriaSet;
-import net.shibboleth.shared.xml.ParserPool;
-import org.jspecify.annotations.NullMarked;
 import org.jspecify.annotations.Nullable;
 import org.opensaml.core.criterion.EntityIdCriterion;
 import org.opensaml.core.xml.config.XMLObjectProviderRegistrySupport;
@@ -44,15 +41,17 @@
 import org.opensaml.xmlsec.config.impl.DefaultSecurityConfigurationBootstrap;
 import org.opensaml.xmlsec.signature.support.SignatureTrustEngine;
 import org.opensaml.xmlsec.signature.support.impl.ExplicitKeySignatureTrustEngine;
-
 import org.springframework.core.io.DefaultResourceLoader;
 import org.springframework.core.io.Resource;
 import org.springframework.core.io.ResourceLoader;
+import org.springframework.lang.NonNull;
 import org.springframework.security.saml2.Saml2Exception;
 import org.springframework.security.saml2.core.OpenSamlInitializationService;
 import org.springframework.security.saml2.provider.service.registration.BaseOpenSamlAssertingPartyMetadataRepository.MetadataResolverAdapter;
 import org.springframework.util.Assert;
 
+import net.shibboleth.shared.resolver.CriteriaSet;
+
 /**
  * An implementation of {@link AssertingPartyMetadataRepository} that uses a
  * {@link MetadataResolver} to retrieve {@link AssertingPartyMetadata} instances.

saml2/saml2-service-provider/src/opensaml5Test/java/org/springframework/security/saml2/provider/service/authentication/TestCustomOpenSaml5Objects.java

@@ -21,7 +21,6 @@
 
 import javax.xml.namespace.QName;
 
-import net.shibboleth.shared.xml.ElementSupport;
 import org.jspecify.annotations.Nullable;
 import org.opensaml.core.xml.AbstractXMLObject;
 import org.opensaml.core.xml.AbstractXMLObjectBuilder;
@@ -37,9 +36,11 @@
 import org.opensaml.core.xml.util.IndexedXMLObjectChildrenList;
 import org.opensaml.saml.common.xml.SAMLConstants;
 import org.opensaml.saml.saml2.core.AttributeValue;
+import org.springframework.lang.NonNull;
+import org.springframework.security.saml2.core.OpenSamlInitializationService;
 import org.w3c.dom.Element;
 
-import org.springframework.security.saml2.core.OpenSamlInitializationService;
+import net.shibboleth.shared.xml.ElementSupport;
 
 public final class TestCustomOpenSaml5Objects {