package org.example;

import org.jetbrains.annotations.Nullable;

public class TestAnnotationExtendObjectStaticMethods {
   public static void main(String[] args) {
   }// 8

   public static native <T extends @Nullable Object> Iterable<T> concat(Iterable<? extends T> var0, Iterable<? extends T> var1);

   public static native <T extends @Nullable String> Iterable<T> concat2(Iterable<? extends T> var0, Iterable<? extends T> var1);

   public static native <T extends String> Iterable<T> concat3(Iterable<? extends T> var0, Iterable<? extends T> var1);

   public static native <T> Iterable<T> concat4(Iterable<? extends T> var0, Iterable<? extends T> var1);
}

class 'org/example/TestAnnotationExtendObjectStaticMethods' {
   method 'main ([Ljava/lang/String;)V' {
      0      6
   }
}

Lines mapping:
8 <-> 7