/**
 * Compute how many items can fit given available width and per-item width,
 * reserving one slot for an overflow indicator.
 */
export declare const computeFitCount: (availableWidthPx: number, perItemWidthPx: number, reserveOneSlot?: boolean) => number;
/**
 * Multi-line truncation via `-webkit-line-clamp`.
 * We consider it “clamped” when:
 *   • clamp ≥ 1
 *   • display is the special flex-box proxy
 *   • overflow is hidden (spec requires this)
 */
export declare function isMultiLineClamped(el: HTMLElement, style?: CSSStyleDeclaration): boolean;
/**
 * Single-line truncation via `text-overflow: ellipsis`.
 * We consider it “clamped” when:
 *   • text-overflow is ellipsis
 *   • white-space is nowrap
 *   • overflow is hidden (spec requires this)
 *   • scrollWidth > clientWidth
 */
export declare function isSingleLineClamped(el: HTMLElement, style?: CSSStyleDeclaration): boolean;
/**
 * Check if an element has scroll overflow.
 */
export declare function hasScrollOverflow(el: HTMLElement): boolean;
/**
 * Check if an element is overflowing.
 */
export declare function isOverFlowing(el: HTMLElement | null): boolean;
/**
 * Check if an element is text wrapping.
 */
export declare const isTextWrapping: (element: HTMLElement | null) => boolean;