working

// Test.java
import java.util.Iterator;
import kotlin.Metadata;
import kotlin.jvm.internal.DefaultConstructorMarker;
import kotlin.jvm.internal.Intrinsics;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

@Metadata(
   mv = {1, 1, 13},
   bv = {1, 0, 3},
   k = 1,
   d1 = {"\u0000\u001a\n\u0002\u0018\u0002\n\u0002\u0010\u0000\n\u0000\n\u0002\u0010\u000e\n\u0002\b\u0006\n\u0002\u0018\u0002\n\u0002\u0018\u0002\b6\u0018\u0000 \u00072\u00020\u0001:\u0003\u0007\b\tB\u000f\b\u0002\u0012\u0006\u0010\u0002\u001a\u00020\u0003¢\u0006\u0002\u0010\u0004R\u0011\u0010\u0002\u001a\u00020\u0003¢\u0006\b\n\u0000\u001a\u0004\b\u0005\u0010\u0006\u0082\u0001\u0002\n\u000b¨\u0006\u0000"},
   d2 = {"LTest;", "", "key", "", "(Ljava/lang/String;)V", "getKey", "()Ljava/lang/String;", "Companion", "First", "Second", "LTest$First;", "LTest$Second;"}
)
public abstract class Test {
   @NotNull
   private final String key;
   public static final Test.Companion Companion = new Test.Companion((DefaultConstructorMarker)null);

   @NotNull
   public final String getKey() {
      return this.key;
   }

   private Test(String key) {
      this.key = key;
   }

   // $FF: synthetic method
   public Test(String key, DefaultConstructorMarker $constructor_marker) {
      this(key);
   }

   @Metadata(
      mv = {1, 1, 13},
      bv = {1, 0, 3},
      k = 1,
      d1 = {"\u0000\n\n\u0002\u0018\u0002\n\u0002\u0018\u0002\n\u0000\bÆ\u0002\u0018\u00002\u00020\u0001B\u0007\b\u0002¢\u0006\u0002\u0010\u0002¨\u0006\u0001"},
      d2 = {"LTest$First;", "LTest;", "()V"}
   )
   public static final class First extends Test {
      public static final Test.First INSTANCE;

      private First() {
         super("First", (DefaultConstructorMarker)null);
      }

      static {
         Test.First var0 = new Test.First();
         INSTANCE = var0;
      }
   }

   @Metadata(
      mv = {1, 1, 13},
      bv = {1, 0, 3},
      k = 1,
      d1 = {"\u0000\n\n\u0002\u0018\u0002\n\u0002\u0018\u0002\n\u0000\bÆ\u0002\u0018\u00002\u00020\u0001B\u0007\b\u0002¢\u0006\u0002\u0010\u0002¨\u0006\u0001"},
      d2 = {"LTest$Second;", "LTest;", "()V"}
   )
   public static final class Second extends Test {
      public static final Test.Second INSTANCE;

      private Second() {
         super("Second", (DefaultConstructorMarker)null);
      }

      static {
         Test.Second var0 = new Test.Second();
         INSTANCE = var0;
      }
   }

   @Metadata(
      mv = {1, 1, 13},
      bv = {1, 0, 3},
      k = 1,
      d1 = {"\u0000\u0016\n\u0002\u0018\u0002\n\u0002\u0010\u0000\n\u0002\b\u0002\n\u0002\u0018\u0002\n\u0000\n\u0002\u0010\u000e\b\u0086\u0003\u0018\u00002\u00020\u0001B\u0007\b\u0002¢\u0006\u0002\u0010\u0002J\u0010\u0010\u0003\u001a\u0004\u0018\u00010\u00042\u0006\u0010\u0005\u001a\u00020\u0006¨\u0006\u0004"},
      d2 = {"LTest$Companion;", "", "()V", "findFromKey", "LTest;", "key", ""}
   )
   public static final class Companion {
      @Nullable
      public final Test findFromKey(@NotNull String key) {
         Intrinsics.checkParameterIsNotNull(key, "key");
         Iterable $receiver$iv = (Iterable)MainKt.getFirstAndSecond();
         Iterator var3 = $receiver$iv.iterator();

         Object var10000;
         while(true) {
            if (var3.hasNext()) {
               Object element$iv = var3.next();
               Test it = (Test)element$iv;
               int var6 = false;
               if (!Intrinsics.areEqual(it.getKey(), key)) {
                  continue;
               }

               var10000 = element$iv;
               break;
            }

            var10000 = null;
            break;
         }

         return (Test)var10000;
      }

      private Companion() {
      }

      // $FF: synthetic method
      public Companion(DefaultConstructorMarker $constructor_marker) {
         this();
      }
   }
}
// MainKt.java
import java.util.List;
import kotlin.Metadata;
import kotlin.collections.CollectionsKt;
import kotlin.jvm.internal.Intrinsics;
import org.jetbrains.annotations.NotNull;

@Metadata(
   mv = {1, 1, 13},
   bv = {1, 0, 3},
   k = 2,
   d1 = {"\u0000\u0012\n\u0000\n\u0002\u0010 \n\u0002\u0018\u0002\n\u0002\b\u0003\n\u0002\u0010\u0002\u001a\u0006\u0010\u0005\u001a\u00020\u0006\"\u0017\u0010\u0000\u001a\b\u0012\u0004\u0012\u00020\u00020\u0001¢\u0006\b\n\u0000\u001a\u0004\b\u0003\u0010\u0004¨\u0006\u0002"},
   d2 = {"firstAndSecond", "", "LTest;", "getFirstAndSecond", "()Ljava/util/List;", "main", ""}
)
public final class MainKt {
   @NotNull
   private static final List firstAndSecond;

   public static final void main() {
      Test.First instance = Test.First.INSTANCE;
      Test found = Test.Companion.findFromKey(instance.getKey());
      if (found == null) {
         Intrinsics.throwNpe();
      }

      String var2 = String.valueOf(found.getKey());
      System.out.println(var2);
   }

   // $FF: synthetic method
   public static void main(String[] var0) {
      main();
   }

   @NotNull
   public static final List getFirstAndSecond() {
      return firstAndSecond;
   }

   static {
      firstAndSecond = CollectionsKt.listOf(new Test[]{(Test)Test.First.INSTANCE, (Test)Test.Second.INSTANCE});
   }
}