/**
 * Layout constants and utility functions for SearchableMultiSelect.
 *
 * These values are shared between the component itself and the callers
 * that need to pre-calculate the visible item count.
 */
/** Lines rendered per choice item (title + subtitle + meta) */
export declare const ITEM_HEIGHT = 3;
/**
 * Lines reserved for chrome around the item list:
 * header(2) + search box(4) + status(2) + scroll indicators(2) + footer(2) = 12
 */
export declare const RESERVED_LINES = 12;
/** Gets terminal width, falling back to 80 if not available */
export declare function getTerminalWidth(): number;
/** Gets terminal height, falling back to 24 if not available */
export declare function getTerminalHeight(): number;
/**
 * Calculates the effective limit for the item list
 * based on terminal height to prevent the input field from being hidden.
 */
export declare function calculateEffectiveLimit(configLimit: number): number;
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