Java: introduce PsiArrayInitializerMemberValue.getInitializerCount() (IJ-CR-176760)

GitOrigin-RevId: d2cd802dbb3edff7218517221db96b39840e720a

java/java-psi-api/src/com/intellij/psi/PsiArrayInitializerMemberValue.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2009 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+// Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.psi;
 
 import org.jetbrains.annotations.NotNull;
@@ -28,4 +14,18 @@ public interface PsiArrayInitializerMemberValue extends PsiAnnotationMemberValue
    * @return the initializer array elements.
    */
   PsiAnnotationMemberValue @NotNull [] getInitializers();
+
+  /**
+   * @return the number of elements in this array initializer expression
+   */
+  default int getInitializerCount() {
+    return getInitializers().length;
+  }
+
+  /**
+   * @return {@code true} if this array initializer member value contains no elements
+   */
+  default boolean isEmpty() {
+    return getInitializerCount() == 0;
+  }
 }