export interface KitOverlaySpec {
    kind: "modal" | "sheet" | "toast";
    /** The boolean prop that decides whether the overlay is on screen. */
    openProp: string;
    /** The handler the overlay calls when it wants to be taken down. */
    closeProp: string;
    /** Whether a press outside or an Esc takes it down. A toast has neither — it
     *  leaves on its own timer, so nothing outside it can be a dismissal. */
    dismissable: boolean;
}
/** Every overlay brick, keyed by component name. Filtered THROUGH `KIT_SPECS`,
 *  so a name that is not a real Kit component cannot survive here. */
export declare const KIT_OVERLAY_SPECS: Readonly<Record<string, KitOverlaySpec>>;
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