usecrate::Size;usedefault_struct_builder::DefaultBuilder;#[derive(DefaultBuilder, Default)]/// Options for [`use_element_size_with_options`](crate::use_element_size_with_options).
pubstructUseElementSizeOptions{/// Initial size returned before any measurements on the `target` are done. Also the value reported
/// at first when the `target` is a signal and changes.
pub(crate)initial_size: Size,
/// The box that is used to determine the dimensions of the target. Defaults to `ContentBox`.
#[builder(into)]pubbox_:Option<web_sys::ResizeObserverBoxOptions>,
}