HorizontalGroup

new HorizontalGroup(child1, child2, child3);
new HorizontalGroup(); // Empty horizontal group

// Action buttons
new HorizontalGroup(
    new Button(new Label("Cancel")),
    new Button(new Label("Save"))
)
.JustifyContent(Justify.FlexEnd);

// Icon and text combinations
new HorizontalGroup(
    new Image("Icons/user"),
    new Label().BindText(ViewModel.Username)
)
.AlignItems(Align.Center);

// Input with validation icon
new HorizontalGroup(
    new TextField(ViewModel.Email).Flex(1),
    new Image("Icons/check").BindVisible(ViewModel.IsEmailValid)
);

// Label and input pairs
new HorizontalGroup(
    new Label("Name:").ClassName("form-label"),
    new TextField(ViewModel.Name).Flex(1)
);

// Conditional reverse layout
new HorizontalGroup(
    new Label("Primary"),
    new Label("Secondary")
)
.BindReverse(ViewModel.IsRightToLeft);

// Dynamic child rendering
new HorizontalGroup()
    .BindChildren(
        ViewModel.ActionItems,
        item => new Button(new Label(item.Name))
            .OnClick(_ => ViewModel.ExecuteAction(item))
    );