/**
 * Weavetab — cdp/pruner.ts
 * Semantic DOM Pruning: one-shot compression of a single DOM snapshot.
 *
 * DISTINCT FROM Delta Mapping:
 *   Delta = diffs snapshots across time (previous call → now).
 *   Pruning = compresses ONE snapshot before it is returned.
 *   They are complementary — delta runs after pruning.
 *
 * Execution model: 1 Runtime.evaluate call (2 if page exceeds perf gate —
 * the split path costs one extra CDP round trip; see ARCHITECTURE.md).
 *
 * Weavetab by fy2ne
 */
import CDP from "chrome-remote-interface";
import type { ActionElement } from "./walker.js";
export interface PruneStats {
    total: number;
    pruned: number;
    svgReplaced: number;
    elapsedMs: number;
    /** true when the perf-gate fallback triggered a second Runtime.evaluate */
    splitPath: boolean;
}
export interface PruneResult {
    elements: ActionElement[];
    stats: PruneStats;
}
/**
 * pruneSnapshot — filters rawElements in-place using three ordered in-browser passes.
 *
 * Ordering guarantee (stable ref-id assignment):
 *   1. Synthetic-id assignment  (pre-Pass 1)
 *   2. Pass 1 — controlsMap
 *   3. Pass 2 — post-order hasInteractiveDescendant
 *   4. Pass 3 — per-element prune decision
 *      └─ data-wt-secret check fires on the ATTRIBUTE, not the id,
 *         so it is safe even when an element is running on a synthetic id.
 *   5. Synthetic-id strip (post-filter, before return)
 */
export declare function pruneSnapshot(session: CDP.Client, rawElements: ActionElement[], _targetId?: string, structuralIdioms?: string[]): Promise<ActionElement[]>;