declare const SIDEBAR_DRILL_IN_WIDTH_KEY = "shell:sidebar-drill-in-width";
declare const SIDEBAR_DRILL_IN_WIDTH_DEFAULT = 280;
declare const SIDEBAR_DRILL_IN_WIDTH_MIN = 216;
declare const SIDEBAR_DRILL_IN_WIDTH_MAX = 400;
declare const SIDEBAR_PRIMARY_WIDTH_KEY = "shell:primary-sidebar-width";
/** Matches `SidebarShell` / `SidebarProvider` default rail width (`16rem`). */
declare const SIDEBAR_PRIMARY_WIDTH_DEFAULT = 256;
declare const SIDEBAR_PRIMARY_WIDTH_MIN = 200;
declare const SIDEBAR_PRIMARY_WIDTH_MAX = 360;
/** @deprecated Use {@link SIDEBAR_PRIMARY_WIDTH_DEFAULT} as px or `"16rem"`. */
declare const SIDEBAR_WIDTH_DEFAULT = "16rem";
/** Widen `--sidebar-width` while a SidebarDrillIn section is open (design system, tokens, …). */
declare function useSidebarDrillInWidth(enabled: boolean): {
    width: number;
    setWidth: (next: number) => void;
    resizeByDelta: (deltaPx: number) => void;
};
/** Persist and apply expanded primary rail width when not in drill-in. */
declare function useSidebarPrimaryWidth(enabled: boolean): {
    width: number;
    setWidth: (next: number) => void;
};

export { SIDEBAR_DRILL_IN_WIDTH_DEFAULT, SIDEBAR_DRILL_IN_WIDTH_KEY, SIDEBAR_DRILL_IN_WIDTH_MAX, SIDEBAR_DRILL_IN_WIDTH_MIN, SIDEBAR_PRIMARY_WIDTH_DEFAULT, SIDEBAR_PRIMARY_WIDTH_KEY, SIDEBAR_PRIMARY_WIDTH_MAX, SIDEBAR_PRIMARY_WIDTH_MIN, SIDEBAR_WIDTH_DEFAULT, useSidebarDrillInWidth, useSidebarPrimaryWidth };