[Kotlin/Native][Interop] Skia interop plugin for cinterop

kotlin-native/Interop/Runtime/src/native/kotlin/kotlinx/cinterop/internal/Annotations.kt

@@ -23,6 +23,10 @@ annotation class CStruct(val spelling: String) {
 
     @Retention(AnnotationRetention.BINARY)
     annotation class VarType(val size: Long, val align: Int)
+
+    @Target(AnnotationTarget.CLASS)
+    @Retention(AnnotationRetention.BINARY)
+    annotation class ManagedType
 }
 
 @Target(
@@ -59,6 +63,10 @@ public annotation class CCall(val id: String) {
     @Target(AnnotationTarget.VALUE_PARAMETER)
     @Retention(AnnotationRetention.BINARY)
     annotation class Consumed
+
+    @Target(AnnotationTarget.CONSTRUCTOR)
+    @Retention(AnnotationRetention.BINARY)
+    annotation class CppClassConstructor
 }
 
 /**
@@ -102,4 +110,4 @@ public annotation class CEnumEntryAlias(val entryName: String)
  */
 @Target(AnnotationTarget.CLASS)
 @Retention(AnnotationRetention.BINARY)
-public annotation class CEnumVarTypeSize(val size: Int)
+public annotation class CEnumVarTypeSize(val size: Int)