public static @Nullable PsiLocalVariable copyVarWithInitializer(PsiLocalVariable origVar, PsiExpression initializer) {
    // Don't normalize the original declaration: it may declare many variables
    PsiElement declCopy = origVar.getParent().copy();
    PsiLocalVariable varCopy = (PsiLocalVariable)ContainerUtil.find(
      declCopy.getChildren(), e -> e instanceof PsiLocalVariable && Objects.equals(origVar.getName(), ((PsiLocalVariable)e).getName()));

    if (varCopy != null) {
      varCopy.setInitializer(initializer);
      varCopy.normalizeDeclaration();
    }
    return varCopy;
  }
public static @Nullable PsiLocalVariable copyVarWithInitializer(PsiLocalVariable origVar, PsiExpression initializer)