/**
 * Enhanced snapshot processing for browser-use DOM tree extraction.
 *
 * This module provides stateless functions for parsing Chrome DevTools Protocol (CDP) DOMSnapshot data
 * to extract visibility, clickability, cursor styles, and other layout information.
 */
import { EnhancedSnapshotNode } from './views';
export declare const REQUIRED_COMPUTED_STYLES: readonly ["display", "visibility", "opacity", "position", "z-index", "pointer-events", "cursor", "overflow", "overflow-x", "overflow-y", "width", "height", "top", "left", "right", "bottom", "transform", "clip", "clip-path", "user-select", "background-color", "color", "border", "margin", "padding"];
interface RareBooleanData {
    index: number[];
}
interface NodeTreeSnapshot {
    backendNodeId?: number[];
    isClickable?: RareBooleanData;
}
interface LayoutTreeSnapshot {
    nodeIndex?: number[];
    bounds?: number[][];
    styles?: number[][];
    paintOrders?: number[];
    clientRects?: number[][];
    scrollRects?: number[][];
    stackingContexts?: {
        index: number[];
    };
}
interface SnapshotDocument {
    nodes: NodeTreeSnapshot;
    layout: LayoutTreeSnapshot;
}
interface CaptureSnapshotReturns {
    documents: SnapshotDocument[];
    strings: string[];
}
/**
 * Build a lookup table of backend node ID to enhanced snapshot data with everything calculated upfront.
 */
export declare function buildSnapshotLookup(snapshot: CaptureSnapshotReturns, devicePixelRatio?: number): Map<number, EnhancedSnapshotNode>;
export {};
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