import type { GsapHandle } from '../core/gsap-detect';
export type SplitMode = 'words' | 'chars' | 'lines';
export interface SplitConfig {
    mode: SplitMode;
    /** When set, animation tools should group units by line (e.g. "lines-chars"). */
    groupBy?: 'lines';
    mask: boolean;
    /** When set, each split unit gets an inline `--char` / `--word` / `--line` CSS variable (1-based) for CSS-driven stagger. */
    index: boolean;
}
export interface SplitResult {
    mode: SplitMode;
    words: HTMLElement[];
    chars: HTMLElement[];
    lines: HTMLElement[];
    revert: () => void;
}
export declare function parseSplit(value: string | undefined): SplitConfig | null;
interface ApplyOptions {
    /** When true, wrap each line in an `overflow: clip` wrapper. Per-char/word masks aren't useful for slide animations — the wrapper would trap the moving unit. */
    mask?: boolean;
    /** When true, expose 1-based `--char` / `--word` / `--line` CSS variables on each split unit for CSS-driven stagger. */
    index?: boolean;
    /**
     * Called when SplitText auto-re-splits (e.g. the viewport resizes within a
     * breakpoint and line wrapping changes). The original `.aa-char`/`.aa-line`
     * DOM nodes are replaced by fresh ones, so any GSAP tween still pointing at
     * the old nodes silently animates orphaned elements. Callers should use
     * this hook to tear down the previous tween/trigger and rebuild against
     * the new SplitResult.
     *
     * NOT fired on the initial split — use the synchronous return value of
     * `applySplit()` for first-time setup.
     */
    onResplit?: (split: SplitResult) => void;
}
export declare function applySplit(element: Element, mode: SplitMode, gsapHandle: GsapHandle | null, opts?: ApplyOptions): SplitResult;
export {};
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