/**
 * TextSplitter types — public options plus internal structural types shared
 * across the TextSplitter parts.
 */
import type { MaskPadding, SplitType } from '../../types';
export type { SplitType };
export interface SplitOptions {
    /** Wrap each split element in a parent with overflow:hidden for clip-reveal effects */
    mask?: boolean;
    /** Extra mask clip-area padding; numbers are interpreted as em values */
    maskPadding?: MaskPadding;
    /**
     * Opaque token identifying the caller (e.g. an AnimationBuilder instance).
     * When provided, splits are reference-counted: the DOM is only reverted once
     * all registered consumers release their claim via revert(element, consumer).
     * A second consumer on the same element triggers a smart DOM upgrade (nesting)
     * rather than destroying the first consumer's spans.
     */
    consumer?: object;
}
export interface SplitResult {
    chars: HTMLElement[];
    words: HTMLElement[];
    lines: HTMLElement[];
    elements: HTMLElement[];
}
/**
 * Per-element split state, held in a module-level WeakMap.
 * Replaces the old originalContentMap + splitResultMap pair.
 */
export interface ElementSplitState {
    /** The element's innerHTML captured before any split — always the true original. */
    originalHTML: string;
    /** The live split result arrays (mutated in-place on upgrades). */
    result: SplitResult;
    /**
     * Set of consumer tokens currently holding a reference to this split.
     * Empty set means no consumer tracking (single-timeline / legacy callers).
     */
    consumers: Set<object>;
}