/**
 * Weavetab — intelligence/marks.ts
 * Visual grounding mark cache.
 *
 * When browser_map runs with visual: true/auto, numbered SoM badges are
 * injected over the page, a screenshot is taken, and each badge's position
 * and optional DOM ref are stored here. Interaction tools (browser_click,
 * browser_pointer, etc.) can then resolve a { mark: N } argument directly
 * to pixel coordinates without any further DOM walk.
 *
 * Weavetab by fy2ne
 */
export interface MarkEntry {
    /** Center X coordinate (viewport-relative pixels). */
    x: number;
    /** Center Y coordinate (viewport-relative pixels). */
    y: number;
    /** Width of the element bounding box. */
    width: number;
    /** Height of the element bounding box. */
    height: number;
    /** Volatile ref ID (w:NN) if the element is DOM-backed. Undefined for canvas/visual-only regions. */
    ref?: string;
    /** Visible text or aria-label, if available. */
    label?: string;
    /** Element type hint. */
    type?: "button" | "input" | "link" | "select" | "canvas_region" | "unknown";
}
/** Write a full set of marks for a tab. Replaces any previous marks. */
export declare function marksSet(targetId: string, marks: Map<number, MarkEntry>): void;
/** Look up a single mark for a tab. Returns null if not found. */
export declare function marksGet(targetId: string, mark: number): MarkEntry | null;
/** Clear all marks for a tab (called on navigation). */
export declare function marksInvalidate(targetId: string): void;
/** Return all marks for a tab (used for debugging / list output). */
export declare function marksGetAll(targetId: string): Map<number, MarkEntry>;