/**
 * Navigation Utility Functions
 *
 * Pure functions for list navigation index calculations.
 * Extracted from useKeyboardNav for testability.
 *
 * @since v2.4.15
 */
/**
 * Calculate the next index when moving up in a list
 */
export declare function calcMoveUp(currentIndex: number, itemCount: number, wrap: boolean): number;
/**
 * Calculate the next index when moving down in a list
 */
export declare function calcMoveDown(currentIndex: number, itemCount: number, wrap: boolean): number;
/**
 * Clamp an initial index to valid bounds
 */
export declare function clampIndex(index: number, itemCount: number): number;
/**
 * Check if an index is out of bounds and needs reset
 */
export declare function needsIndexReset(selectedIndex: number, itemCount: number): boolean;
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