/**
 * Unified z-index for page-level floating layers (CnPopup, CnTooltip, etc.).
 *
 * Sourced from `@cainiaofe/cn-domain-popup` LAYER tokens so the value stays in
 * sync with the Popup library.  The number must be:
 *   - above Grid header sticky (~10) and Sender schema dropdowns (~1050)
 *   - below LAYER.modal (legacy cn-ui Dialog/Modal range)
 *
 * SCSS files that hardcode `z-index` should reference the same numeric value.
 */
export declare const FLOATING_LAYER_Z_INDEX: any;
/** Popup / CnPopup container – Birda mounts to scroll wrapper, others to body */
export declare function getPopupContainer(): HTMLElement;
/**
 * Legacy helper for CnPopup (cn-ui overlay system).
 * Kept for backward compatibility with ConditionPanel / CnAiFilter.
 */
export declare const cnPopupFloatingLayerOverlayProps: {
    readonly overlayProps: {
        readonly style: {
            readonly zIndex: any;
        };
    };
};
