/**
 * How a surface is presented on screen. Lives here rather than with any one of
 * the components that read it: `Modal`, `Popover`, `Dropdown` and `MultiSelect`
 * all take it, and `ConfigProvider` owns the app-wide switch that sets it for
 * every one of them at once.
 */
export declare enum Presentation {
    /** Wherever the component normally puts it: anchored to its trigger, or centred for a Modal. */
    Default = "default",
    /** Pinned to the bottom of the screen, full width up to a maximum. */
    Sheet = "sheet",
    /** A sheet on touch devices with a small screen, anchored everywhere else. */
    Auto = "auto"
}