[lombok] IDEA-283619, IDEA-289704 added findUsages support for @Delegate methods

GitOrigin-RevId: 5de0a2a8571a3423f44da853329de93d404d4665

plugins/lombok/testData/usage/FindUsageDelegateField.java

@@ -0,0 +1,20 @@
+import lombok.Getter;
+import lombok.experimental.Delegate;
+
+public class FindUsageDelegateField {
+  public static void main(String[] args) {
+    Ctx<Integer> ctx = new Ctx<>();
+    String data = ctx.getId();
+    System.out.println(data);
+  }
+
+  public static class Ctx<T> {
+    @Delegate
+    private Param<T> param;
+  }
+
+  @Getter
+  public static class Param<T> {
+    private final String id<caret>;
+  }
+}

plugins/lombok/testData/usage/FindUsageDelegateMethod.java

@@ -0,0 +1,19 @@
+import lombok.experimental.Delegate;
+
+public class FindUsageDelegateMethod {
+  @Delegate
+  private ClassB classB;
+}
+
+class ClassB {
+  public void foo<caret>() {
+  }
+}
+
+class ClassC {
+  private FindUsageDelegateMethod classA;
+
+  public void bar() {
+    classA.foo();
+  }
+}