Function bevy_ui::flex_node_system

pub fn flex_node_system(
    windows: Res<'_, Windows>, 
    flex_surface: ResMut<'_, FlexSurface>, 
    root_node_query: Query<'_, With<Node, Without<Parent, Entity>>>, 
    node_query: Query<'_, With<Node, (Entity, Changed<'_, Style>, Option<&CalculatedSize>)>>, 
    changed_size_query: Query<'_, With<Node, (Entity, &Style, Changed<'_, CalculatedSize>)>>, 
    children_query: Query<'_, With<Node, (Entity, Changed<'_, Children>)>>, 
    node_transform_query: Query<'_, (Entity, &mut Node, &mut Transform, Option<&Parent>)>
)