Deprecate Annotations.getUseSiteTargetedAnnotations

compiler/frontend/src/org/jetbrains/kotlin/descriptors/annotations/AnnotationSplitter.kt

@@ -108,7 +108,7 @@ class AnnotationSplitter(
             other.add(annotation)
         }
 
-        for ((annotation, target) in allAnnotations.getUseSiteTargetedAnnotations()) {
+        for ((annotation, target) in @Suppress("DEPRECATION") allAnnotations.getUseSiteTargetedAnnotations()) {
             if (target in applicableTargets) {
                 map.getOrPut(target) { arrayListOf() }.add(annotation)
             }

core/descriptors/src/org/jetbrains/kotlin/descriptors/annotations/Annotations.kt

@@ -29,6 +29,8 @@ interface Annotations : Iterable<AnnotationDescriptor> {
 
     fun hasAnnotation(fqName: FqName): Boolean = findAnnotation(fqName) != null
 
+    @Suppress("DeprecatedCallableAddReplaceWith")
+    @Deprecated("This method should only be used in frontend where we split annotations according to their use-site targets.")
     fun getUseSiteTargetedAnnotations(): List<AnnotationWithTarget> = emptyList()
 
     companion object {
@@ -81,6 +83,7 @@ class CompositeAnnotations(
 
     override fun findAnnotation(fqName: FqName) = delegates.asSequence().mapNotNull { it.findAnnotation(fqName) }.firstOrNull()
 
+    @Suppress("DEPRECATION", "OverridingDeprecatedMember")
     override fun getUseSiteTargetedAnnotations() = delegates.flatMap { it.getUseSiteTargetedAnnotations() }
 
     override fun iterator() = delegates.asSequence().flatMap { it.asSequence() }.iterator()