@NotNull
  @Override
  protected PsiElementPredicate getElementPredicate() {
    return element -> element instanceof GrReturnStatement returnStatement &&
                      returnStatement.getReturnValue() != null &&
                      ControlFlowBuilderUtil.isCertainlyReturnStatement(returnStatement);
  }
@NotNull
  @Override
  protected PsiElementPredicate getElementPredicate()