[ObjCExport] Constructors fixes, cloneables handling, annotations

native/objcexport-header-generator/testData/headers/sinceVersionAnnotation/!sinceVersionAnnotation.h

@@ -0,0 +1,33 @@
+#import <Foundation/NSArray.h>
+#import <Foundation/NSDictionary.h>
+#import <Foundation/NSError.h>
+#import <Foundation/NSObject.h>
+#import <Foundation/NSSet.h>
+#import <Foundation/NSString.h>
+#import <Foundation/NSValue.h>
+
+NS_ASSUME_NONNULL_BEGIN
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunknown-warning-option"
+#pragma clang diagnostic ignored "-Wincompatible-property-type"
+#pragma clang diagnostic ignored "-Wnullability"
+
+#pragma push_macro("_Nullable_result")
+#if !__has_feature(nullability_nullable_result)
+#undef _Nullable_result
+#define _Nullable_result _Nullable
+#endif
+
+__attribute__((objc_subclassing_restricted))
+@interface FooKt : Base
+
+/**
+ * @note annotations
+ *   kotlin.SinceKotlin(version="1.4")
+*/
++ (void)foo __attribute__((swift_name("foo()")));
+@end
+
+#pragma pop_macro("_Nullable_result")
+#pragma clang diagnostic pop
+NS_ASSUME_NONNULL_END

native/objcexport-header-generator/testData/headers/sinceVersionAnnotation/Foo.kt

@@ -0,0 +1,2 @@
+@SinceKotlin(version="1.4")
+fun foo() {}