[SLC] introduce CompositeAdditionalAnnotationsProvider

^KT-56046

analysis/symbol-light-classes/src/org/jetbrains/kotlin/light/classes/symbol/annotations/CompositeAdditionalAnnotationsProvider.kt

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.light.classes.symbol.annotations
+
+import com.intellij.psi.PsiAnnotation
+import com.intellij.psi.PsiModifierList
+
+internal class CompositeAdditionalAnnotationsProvider(val providers: List<AdditionalAnnotationsProvider>) : AdditionalAnnotationsProvider {
+    override fun addAllAnnotations(
+        currentRawAnnotations: MutableList<in PsiAnnotation>,
+        foundQualifiers: MutableSet<String>,
+        owner: PsiModifierList,
+    ) {
+        for (provider in providers) {
+            provider.addAllAnnotations(currentRawAnnotations, foundQualifiers, owner)
+        }
+    }
+
+    override fun findAdditionalAnnotation(
+        annotationsBox: LazyAnnotationsBox,
+        qualifiedName: String,
+        owner: PsiModifierList
+    ): PsiAnnotation? = providers.firstNotNullOfOrNull { it.findAdditionalAnnotation(annotationsBox, qualifiedName, owner) }
+}