fix: include the missing classes in JDK index (#161)

* tests: include the missing classes in JDK index

* fix: use internal name of Java class

classfile-fingerprint/src/test/java/io/github/algomaster99/terminator/index/JdkIndexerTest.java

@@ -10,6 +10,8 @@
 import java.util.Map;
 import java.util.Set;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.condition.EnabledOnJre;
+import org.junit.jupiter.api.condition.JRE;
 import org.junit.jupiter.api.io.TempDir;
 
 class JdkIndexerTest {
@@ -31,6 +33,23 @@ void jdkIndexShouldBeDeterministic_irrespectiveOfTheJDK(@TempDir Path tempDir) t
         assertThat(contentFirst).isEqualTo(contentSecond);
     }
 
+    @EnabledOnJre(JRE.JAVA_21)
+    @Test
+    void jdkIndexShouldHave__jdk_internal_foreign_MemorySessionImpl__and__java_lang_foreign_MemorySegment$Scope(
+            @TempDir Path tempDir) {
+        // arrange
+        Path indexFile = tempDir.resolve("jdk.json");
+
+        // act
+        String[] args = {"jdk", "-o", indexFile.toString()};
+        Index.main(args);
+
+        // assert
+        Map<String, Set<ClassFileAttributes>> referenceProvenance = ParsingHelper.deserializeFingerprints(indexFile);
+        assertThat(referenceProvenance)
+                .containsKeys("jdk/internal/foreign/MemorySessionImpl", "java/lang/foreign/MemorySegment$Scope");
+    }
+
     @Test
     void useMD5asAlgorithm(@TempDir Path tempDir) {
         // arrange