code: //non-compiled with javac: Compilable with Java19
  package com.puppycrawl.tools.checkstyle.grammar.java19;
  
  import java.util.Iterator;
  import java.util.List;
  
  public class InputJava19RecordDecompositionWithConditionInLoops {
      record R(R r) {
  
      }
  
      public static void main(String... args) {
          R r = new R(new R(null));
          if (r instanceof R(R recordComponent) r1) {
              System.out.println(recordComponent);
          } else if (r instanceof R(R(R innerRecordComponent) r2) r3) {
              System.out.println(innerRecordComponent);
          } else if (r instanceof R(R(R(R innerInnerRecordComponent)))) {
              System.out.println(innerInnerRecordComponent);
          } else if (r instanceof
                  R(R(R(R(R innerInnerInnerRecordComponent))))) {
              System.out.println(innerInnerInnerRecordComponent);
          } else if (r instanceof
                  R(R(R(R(R(R innerInnerInnerInnerRecordComponent)))))) {
              System.out.println(innerInnerInnerInnerRecordComponent);
          } else if (r instanceof
                  R(R(R(R(R(R(R innerInnerInnerInnerInnerRecordComponent))))))) {
              System.out.println(innerInnerInnerInnerInnerRecordComponent);
          } else if (r instanceof
                  R(R(R(R(R(R(R(R innerInnerInnerInnerInnerInnerRecordComponent)))))))) {
              System.out.println(innerInnerInnerInnerInnerInnerRecordComponent);
          } else if (r instanceof
                  R(R(R(R(R(R(R(R(R innerInnerInnerInnerInnerInnerInnerRecordComponent))))))))) {
              System.out.println(innerInnerInnerInnerInnerInnerInnerRecordComponent);
          } else if (r instanceof R(R myRecord)) {
              if (myRecord instanceof R(R myInnerRecord)) {
                  if (myInnerRecord instanceof R(R myInnerInnerRecord)) {
                      if (myInnerInnerRecord instanceof R(R myInnerInnerInnerRecord)) {
                          if (myInnerInnerInnerRecord instanceof R(R myInnerInnerInnerInnerRecord)) {
                              if (myInnerInnerInnerInnerRecord instanceof
                                      R(R myInnerInnerInnerInnerInnerRecord)) {
                                  if (myInnerInnerInnerInnerInnerRecord
                                          instanceof R(R myInnerInnerInnerInnerInnerInnerRecord)) {
                                      if (myInnerInnerInnerInnerInnerInnerRecord
                                              instanceof R(
                                              R
                                                      myInnerInnerInnerInnerInnerInnerInnerRecord
                                      )) {
  
                                      }
                                  }
                              }
                          }
                      }
                  }
              }
          }
  
  
          final List<R> list =
                  List.of(new R(new R(new R(new R(new
                          R(new R(new R(new R(new R(null))))))))));
  
          final Object o = list.get(0);
          for (; o instanceof R(R rListElement); ) {
              for (; rListElement instanceof R(R rListElementInner) r5; ) {
                  for (; rListElementInner instanceof R(R rListElementInnerInner); ) {
                      for (; rListElementInnerInner instanceof R(R rListElementInnerInnerInner); ) {
                      }
                  }
              }
          }
  
          final Iterator it = list.iterator();
          while (it.hasNext() && it.next() instanceof R(R rListElement2) r6) {
              while (it.hasNext() && it.next() instanceof R(R rListElementInner2)) {
                  while (it.hasNext() && it.next() instanceof R(R rListElementInnerInner2)) {
                      while (it.hasNext() && it.next() instanceof R(R rListElementInnerInnerInner2)) {
                      }
                  }
              }
          }
  
          final Object myObj = list.get(0) instanceof R(R myRecord2) r7
                  && myRecord2 instanceof R(R someComponent)
                  && someComponent instanceof R(R(R someComponent2))
                  ? myRecord2 : null;
      }
  }
  