Hide more unused symbols

Author: HosseinYousefi

pkgs/jni/lib/_internal.dart

@@ -69,7 +69,13 @@ export 'src/nio/jbuffer.dart' show $JBuffer$NullableType$, $JBuffer$Type$;
 export 'src/nio/jbyte_buffer.dart'
     show $JByteBuffer$NullableType$, $JByteBuffer$Type$;
 export 'src/third_party/generated_bindings.dart'
-    show JFieldIDPtr, JMethodIDPtr, JObjectPtr, JThrowablePtr, JniResult;
+    show
+        Dart_FinalizableHandle,
+        JFieldIDPtr,
+        JMethodIDPtr,
+        JObjectPtr,
+        JThrowablePtr,
+        JniResult;
 export 'src/types.dart' show JTypeBase, lowestCommonSuperType, referenceType;
 export 'src/util/jiterator.dart'
     show $JIterator$NullableType$, $JIterator$Type$;

pkgs/jni/lib/jni.dart

@@ -84,7 +84,8 @@ export 'src/jarray.dart'
         $JShortArray$NullableType$,
         $JShortArray$Type$;
 export 'src/jimplementer.dart';
-export 'src/jni.dart' hide ProtectedJniExtensions, StringMethodsForJni;
+export 'src/jni.dart'
+    hide InternalJniExtension, ProtectedJniExtensions, StringMethodsForJni;
 export 'src/jobject.dart' hide $JObject$NullableType$, $JObject$Type$;
 export 'src/jreference.dart' hide ProtectedJReference;
 export 'src/jvalues.dart';

pkgs/jni/lib/src/jni.dart

@@ -287,12 +287,19 @@ extension ProtectedJniExtensions on Jni {
     }
   }
 
+  static Pointer<T> Function<T extends NativeType>(String) get lookup =>
+      Jni._dylib.lookup;
+}
+
+/// Used only inside `package:jni`.
+@internal
+extension InternalJniExtension on Jni {
   static Dart_FinalizableHandle newJObjectFinalizableHandle(
     Object object,
     Pointer<Void> reference,
     JObjectRefType refType,
   ) {
-    ensureInitialized();
+    ProtectedJniExtensions.ensureInitialized();
     return Jni._bindings
         .newJObjectFinalizableHandle(object, reference, refType);
   }
@@ -301,18 +308,15 @@ extension ProtectedJniExtensions on Jni {
     Object object,
     Pointer<Bool> reference,
   ) {
-    ensureInitialized();
+    ProtectedJniExtensions.ensureInitialized();
     return Jni._bindings.newBooleanFinalizableHandle(object, reference);
   }
 
   static void deleteFinalizableHandle(
       Dart_FinalizableHandle finalizableHandle, Object object) {
-    ensureInitialized();
+    ProtectedJniExtensions.ensureInitialized();
     Jni._bindings.deleteFinalizableHandle(finalizableHandle, object);
   }
-
-  static Pointer<T> Function<T extends NativeType>(String) get lookup =>
-      Jni._dylib.lookup;
 }
 
 extension AdditionalEnvMethods on GlobalJniEnv {

pkgs/jni/lib/src/jreference.dart

@@ -92,9 +92,9 @@ final class JGlobalReference extends JReference {
     final finalizable = _JFinalizable(pointer);
     final isReleased = calloc<Bool>();
     final jobjectFinalizableHandle =
-        ProtectedJniExtensions.newJObjectFinalizableHandle(
+        InternalJniExtension.newJObjectFinalizableHandle(
             finalizable, finalizable.pointer, JObjectRefType.JNIGlobalRefType);
-    ProtectedJniExtensions.newBooleanFinalizableHandle(finalizable, isReleased);
+    InternalJniExtension.newBooleanFinalizableHandle(finalizable, isReleased);
     return JGlobalReference._(
         finalizable, jobjectFinalizableHandle, isReleased);
   }
@@ -108,7 +108,7 @@ final class JGlobalReference extends JReference {
       throw DoubleReleaseError();
     }
     _isReleased.value = true;
-    ProtectedJniExtensions.deleteFinalizableHandle(
+    InternalJniExtension.deleteFinalizableHandle(
         _jobjectFinalizableHandle, _finalizable);
   }