public @Nullable Instruction findInstructionByElement(final PsiElement element) {
    for (int i = instructions.size() - 1; i >= 0; i--) {
      final Instruction instruction = instructions.get(i);
      if (element.equals(instruction.getElement())) {
        return instruction;
      }
    }
    return null;
  }
public @Nullable Instruction findInstructionByElement(final PsiElement element)